Mathematics
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Doug
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All Questions Answers
Score Newest
answer
5
How to prove $\int_0^{3/\pi}\frac{\cos^2x}{\sqrt{9-\cos^{3}x}}dx\geq \frac{\pi}{36}$
Jun 16, 2022
question
4
Equations for Polygons in the Plane
Jun 25, 2022
answer
4
Transformation of a variable
Aug 4, 2022
answer
4
Is there any meaning for $f(x)-f'(x)$?
Aug 11, 2022
answer
3
$y''+2\tan x y'-y=0$
Jul 20, 2022
answer
3
Convergence of two variable infinite sum.
Jul 19, 2022
answer
3
How to solve this function $f(x)$ for degree $3$ or $4$
Jul 13, 2022
answer
3
How to solve a difference equation with starting and end condition?
Jul 11, 2022
answer
3
Finding domains of functions such as $y = \sqrt{25-5^x}$, $y = e^{\arcsin x}$, $y = \cos^{-1}\left(e^{3x}\right)$
Jul 9, 2022
answer
3
My brother is three times as old as me. How many times my age now was his age when I was born?
Aug 17, 2022

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