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Bach

Apparently, this user prefers to keep an air of mystery about them.

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7 Suppose $ \alpha, \beta>0 $. Compute: $ \int_{0}^{\infty}\frac{\cos (\alpha x)-\cos (\beta x)}{x}dx $ Oct 22 '18
7 Differentiability of $ G(x)=\int_{\mathbb R} e^{tx}f(t)dt $ on $ (0,1) $ Jul 20 '19
6 What is the intuition behind the law of quadratic reciprocity? Feb 6
6 Finding all the ideals of $\mathbb{Z} [x]/(2, (x^3+1))$? Apr 20 '18
6 Suppose that $G$ is a group of order $924=2^2\cdot3\cdot7\cdot 11$. Prove that $G$ has an element of order $77$. May 31 '19
6 Evaluate $\sum_{k=0}^n {{2n + 1}\choose {2k + 1}}$ Mar 28 '19
6 Evaluate the limit the following series Jul 20 '19
5 Find the maximal value for $ \left| \int_{0}^{1}(f(x))^2-f(x)dx \right| .$ Sep 23 '18
5 Calculate the integral $ \int_{0}^{1}\int_{-\sqrt{1-x^2}}^{\sqrt{1-x^2}} (x^2+x^2y^3)\, dy dx .$ Sep 25 '18
5 What is the difference between $\Bbb F_4$ and $\Bbb Z/4\Bbb Z$ May 2 '18
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