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Mathematics
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SmartCoder
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16
Why is the area of the circle $πr^2$? [duplicate]
Nov 30, 2014
4
Prove by induction that $\left [ \left (3+\sqrt{5} \right )^{n} + \left (3-\sqrt{5} \right )^{n} \right ]$ is multiple of $2^{n}$
Oct 1, 2016
3
prove that $\binom{n}{0}^2+\binom{n}{1}^2+\binom{n}{2}^2+\cdots+\binom{n}{n}^2=\binom{2n}{n}$ [duplicate]
Mar 6, 2015
3
$\sqrt{y}+\sqrt{x}=\sqrt{A}$. prove that x-intercept + y-intercept of any tangent = A [closed]
May 18, 2015
3
I need a good book for techniques of indefinite integrals?
Feb 28, 2018
2
Prove that $\mathscr{L}^{-1}\{\frac{1}{(s+\alpha)(1-e^{-Ts})}\}=e^{-\alpha t} \left[ \frac{e^{(m+1) \alpha T}-1}{e^{ \alpha T}-1}\right]$
Apr 23, 2018
2
Explain the Absorption Law
Jun 18, 2019
1
Find $f(x)$ from the differential equation $f(x)+{f}'(x) = x^{3} +5x^{2} +x +2$
May 11, 2015
1
$f(x)= sin(x)^{3}+cos(x)^{3}$ prove ${f}''(x)= \frac{3}{2}(cos(x)+sin(x))(3sin(2x)-2)$
May 14, 2015
1
integral $\int \frac{1}{x\left(2+\sqrt[3]{\frac{x-1}{x}}\right)} dx$
Mar 22, 2017
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13
What is a full expression in C?
9
How does sizeof work with this dereferencing of a pointer to array?