masod yosefnia @MYosefnia profile

masod yosefnia

@MYosefnia

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My profession has been teaching mathematics. I enjoy learning and teaching mathematics. Life is more beautiful with it😊

Joined December 2022

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masod yosefnia

@MYosefnia

1 year

Can you prove it ?

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masod yosefnia

@MYosefnia

1 year

Can you simplify?

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masod yosefnia

@MYosefnia

1 year

Prove:

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masod yosefnia

@MYosefnia

1 year

Value of the series?

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masod yosefnia

@MYosefnia

6 months

🟢237.2 Pascal's triangle & Determinant. Is there a general formula for that?

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masod yosefnia

@MYosefnia

6 months

🔵242.1 Challenge 💥 x,y,z are positive real numbers. (x,y,z)=?

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masod yosefnia

@MYosefnia

1 year

one parallelogram, one rhombus. What fraction of the figure is green?

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masod yosefnia

@MYosefnia

1 year

product limit ?

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masod yosefnia

@MYosefnia

1 year

Value of the series?

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masod yosefnia

@MYosefnia

1 year

Value of the series?

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masod yosefnia

@MYosefnia

8 months

🔵197.1 #math #Calculus #integral A hard problem, taken from a reference. Can you solve it?

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masod yosefnia

@MYosefnia

10 months

🟢116.9 #Calculus #integral

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masod yosefnia

@MYosefnia

7 months

🔵200.1 #Math #Calculus #integral Challenge 10 from a reference. Is it hard ?

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masod yosefnia

@MYosefnia

6 months

🔴249.3 x and y are natural numbers 🔥

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masod yosefnia

@MYosefnia

8 months

🔵188.9 #Math #Calculus A difficult limit with an amazing solution. Can you find this solution?

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masod yosefnia

@MYosefnia

6 months

☮️241.0 GM 🔆 You can solve in mind

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masod yosefnia

@MYosefnia

1 year

tanα =?

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masod yosefnia

@MYosefnia

1 year

Prove

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masod yosefnia

@MYosefnia

11 months

🟠84.9

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masod yosefnia

@MYosefnia

6 months

🔵232.1 can solved in mind 🙂

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masod yosefnia

@MYosefnia

10 months

🟣137.9 #math #Calculus

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masod yosefnia

@MYosefnia

7 months

🟢201.2 #Math #Calculus #Integral Another one 😊

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masod yosefnia

@MYosefnia

7 months

A nice integral from @drpkmath and my solution.🔺

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masod yosefnia

@MYosefnia

1 year

Yellow Area🟡?

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masod yosefnia

@MYosefnia

7 months

🔻You can find the answer to these problems : 221.3 , 212.1 , 213.2 , 214.2 , 215.4. in : International Mathematical Forum, Vol. 15, 2020, no. 6, 283 - 292 HIKARI Ltd, 🔻

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masod yosefnia

@MYosefnia

8 months

🟣185.9 #Math #Calculus Challenge 4 Is the sequence convergent?

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masod yosefnia

@MYosefnia

1 year

cos(6A) = ?

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masod yosefnia

@MYosefnia

1 year

√5 and Golden ratio

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masod yosefnia

@MYosefnia

1 year

What method do you have to find the 21st term of the Fibonacci sequence?

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masod yosefnia

@MYosefnia

10 months

🟡139.9 #Math #Calculus

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masod yosefnia

@MYosefnia

8 months

🟢148.9 #math #Calculus Can you specify the sequence supremum?

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masod yosefnia

@MYosefnia

11 months

🟢110.9 #Calculus #integral

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masod yosefnia

@MYosefnia

9 months

🔵167.9 #Math #Calculus #integral

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masod yosefnia

@MYosefnia

1 year

Value of the integral?

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masod yosefnia

@MYosefnia

8 months

🌞188.9 #math #Algebra GM Is there a value for n?

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masod yosefnia

@MYosefnia

7 months

Classic solution :

Diary

@Diarytells

7 months

#morningmath

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39

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masod yosefnia

@MYosefnia

9 months

🔵149.9 #math #Calculus #integral

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masod yosefnia

@MYosefnia

1 year

Value of the c ?

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masod yosefnia

@MYosefnia

7 months

🔵221.1 Another historical problem. (from Euler) 🔥💥

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masod yosefnia

@MYosefnia

1 year

Golden ratio.

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masod yosefnia

@MYosefnia

9 months

🟡144.9 #Math #Geometry

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masod yosefnia

@MYosefnia

7 months

☮️223.4 An integral for peace, is peace achieved?

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masod yosefnia

@MYosefnia

7 months

🟢206.2 #math #Calculus #integral From a reference

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masod yosefnia

@MYosefnia

7 months

🔵218.1 #math #Calculus #integral Laplace transform, by parts,... ? Can you evaluate this🔻

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masod yosefnia

@MYosefnia

8 months

🔵199.1 #math #Calculus #integral Another integral from a reference

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masod yosefnia

@MYosefnia

1 year

P is on the inscribed circle of triangle ABC.

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masod yosefnia

@MYosefnia

1 year

A parallelogram, a rectangle. What is the value of the blue angle?

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masod yosefnia

@MYosefnia

1 year

🟠70.9

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masod yosefnia

@MYosefnia

10 months

🟡119.9 #math #NumberTheory #Algebra

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masod yosefnia

@MYosefnia

8 months

🔵191.1 #math #Calculus #integral Challenge 7 1) for technical friends 2) for analytical friends Can you prove ?

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masod yosefnia

@MYosefnia

1 year

🔵48.9/1

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masod yosefnia

@MYosefnia

1 year

Prove:

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masod yosefnia

@MYosefnia

1 year

Value of P ?

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masod yosefnia

@MYosefnia

1 year

A(yellow)/A(red)=?

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18

masod yosefnia

@MYosefnia

1 year

Limit value ?

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16

masod yosefnia

@MYosefnia

1 year

Prove: Γ(1/2)=√π

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masod yosefnia

@MYosefnia

1 year

If a<b, which is closer to (a+b)/2 ?

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masod yosefnia

@MYosefnia

10 months

🟡135.9 #math #Algera

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masod yosefnia

@MYosefnia

1 year

🔵33.9/3

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masod yosefnia

@MYosefnia

8 months

🟠199.0 #math #Algebra GM🔆 how many 0 ? how many 1 ?.😊

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masod yosefnia

@MYosefnia

1 year

🟢2.9/2

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masod yosefnia

@MYosefnia

9 months

🟢164.9 #MATH #Calculus #Integral

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masod yosefnia

@MYosefnia

7 months

🔵203.1 #Math #Algebra The beginning of the review of the Legender's symbol 🔥

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masod yosefnia

@MYosefnia

1 year

Can you prove

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masod yosefnia

@MYosefnia

9 months

🟡157.9 #math #geometry

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masod yosefnia

@MYosefnia

11 months

🟡103.9 #draw #floorfunction

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masod yosefnia

@MYosefnia

1 year

How do you solve it?

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masod yosefnia

@MYosefnia

8 months

🟢183.9 #math #Calculus a(n)/a(n+1) or a(n)-a(n+1) or.... ?

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masod yosefnia

@MYosefnia

1 year

S =?

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masod yosefnia

@MYosefnia

7 months

223.1 Harmonic number again. Did it tire you? 🙂

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masod yosefnia

@MYosefnia

7 months

🔴225.3 A not so hard integral 😊

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masod yosefnia

@MYosefnia

9 months

🟠165.9 #math #Algebra

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masod yosefnia

@MYosefnia

8 months

🟣183.9 #math #Calculus Fibonacci Seq or other ....??

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masod yosefnia

@MYosefnia

5 months

🔵269.1 By parts 🙂

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masod yosefnia

@MYosefnia

11 months

🟡106.9 #number #theory

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masod yosefnia

@MYosefnia

8 months

🌞191.0 #math #Calculus #integral GM A double integral. It is solved using Faubin's theorem😊

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masod yosefnia

@MYosefnia

1 year

(m,n)=?

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masod yosefnia

@MYosefnia

1 year

🟣55.9

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masod yosefnia

@MYosefnia

5 months

☮️259. The integral representations of the Catalan numbers 🙂

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masod yosefnia

@MYosefnia

9 months

🟣153.9 #Math #Calculus

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masod yosefnia

@MYosefnia

6 months

🔴238.3 Is it a convenient series? Its value ? 🙂

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masod yosefnia

@MYosefnia

7 months

🔴221.3 Prove the reflection formula (similar to that of the gamma function) :

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masod yosefnia

@MYosefnia

6 months

🟢244.2 Challenge

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masod yosefnia

@MYosefnia

11 months

🟣95.9

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masod yosefnia

@MYosefnia

11 months

🟣106.9 #Calculus #Integral

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masod yosefnia

@MYosefnia

11 months

🟠105.9 #math #Algebra

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masod yosefnia

@MYosefnia

7 months

🔴211.3 #Math #Calculus #integral Challenge 🔥

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masod yosefnia

@MYosefnia

10 months

⚪131.9 #math #Calculus #integral

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masod yosefnia

@MYosefnia

11 months

⚪103.9 #Math #Algebra

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masod yosefnia

@MYosefnia

10 months

🟠129.9 #math #Algebra

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masod yosefnia

@MYosefnia

1 year

Is it convenient?

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masod yosefnia

@MYosefnia

8 months

🟢186.9 #math #Calculus Is it an increasing sequence, if so, 90% of the work is done.

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masod yosefnia

@MYosefnia

1 year

What fraction of the figure is yellow?

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masod yosefnia

@MYosefnia

1 year

x=?

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14

masod yosefnia

@MYosefnia

1 year

Prove

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masod yosefnia

@MYosefnia

10 months

🔵117.9 #math #Calculus #integral

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masod yosefnia

@MYosefnia

7 months

🟠219.0 #math #Calculus Using Γ(z+1) = z Γ(z)

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masod yosefnia

@MYosefnia

6 months

🔵229.1 Is it similar to the beta function, can you find its value?

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masod yosefnia

@MYosefnia

1 year

Series value ?

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masod yosefnia

@MYosefnia

6 months

🟢247.2 Challenge 💥

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0

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