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Egor's user avatar
Egor
  • Member for 5 years
  • Last seen more than 2 years ago
  • Rossiya
5 votes
4 answers
778 views

Find the probability that no more than three attempts will be required to open the lock

4 votes
3 answers
315 views

Integral $\int_{0}^{\pi}\frac{\sin^px}{1+\cos x} dx $

2 votes
2 answers
209 views

Integral $\int_{-1}^{1}\ln\left(\frac{1+x}{1-x}\right)\frac{\mathrm dx}{(1-x)^{2/3}(1+x)^{1/3}} $

2 votes
1 answer
166 views

Check the Fourier transform for a function: $F[f]=?,f(x)=xe^{-\alpha|x|}$

1 vote
1 answer
27 views

Find length of curve via integral

0 votes
2 answers
251 views

Decompose the function to power series $f(x) = \frac{1}{1-x-x^2},x_o=0$

0 votes
1 answer
34 views

Find the solutions to the $w''-z^2w=3z^2-z^4$ as Taylor series where $w(0)=0$ and $w'(0)=1$

-1 votes
3 answers
72 views

Proof of the limit of abs [closed]

-1 votes
2 answers
208 views

Using the Euler-Poisson integral, prove the identity

-1 votes
1 answer
35 views

Explore the absolute convergence of the series with alternating sign [closed]