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Mathematics
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Alex M.

Here to help others, as I myself have been helped when in need.

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  • Member for 5 years
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Top posts (1,066) All Questions Answers | Votes Newest

80 In a right triangle, can $a+b=c?$ Apr 9 '16
19 Summation stuck under radical sign Jul 14 '15
18 Why is $\int_{-1}^{1} \frac{1}x \mathrm{d}x$ divergent? Jun 26 '16
14 Why is $\frac{\ln\infty}{\infty}$ equal to $\frac\infty\infty$? Nov 16 '16
12 Why can't the second fundamental theorem of calculus be proved in just two lines? Oct 30 '16
12 $\int_0^\infty \frac{1}{1+x^ 9} \, dx$ Apr 2 '15
11 What is the difference between $\frac{\mathrm{d}}{\mathrm{d}x}$ and $\frac{\partial}{\partial x}$? May 31 '16
10 Does there exist a multiplicative $f:\mathbb{Q}^+\to\mathbb{Q}^+$ such that $f\neq x\mapsto x^a$ for all $a$? Jul 19 '16
9 Is the axiom of choice necessary to prove that closed points in the Zariski topology are maximal ideals? Mar 19 '17
8 The integral $\int\frac{2(2y^2+1)}{(y^2+1)^{0.5}} dy$ Sep 4 '16
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