Mathematics
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DXT
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All Questions Answers
Score Newest
question
19
Finding $\int^{1}_{0}\frac{\ln^2(x)}{\sqrt{4-x^2}}dx$
May 13, 2018
answer
13
$1!+2!+3!+4!+5!+...+n!$ is a square of an integer
Jan 12, 2017
question
12
Double summation involving factorials
Jan 31, 2018
question
11
If $I_n=\int_0^{\pi/4}\tan^n x dx$, then evaluate $\lim_{n\to\infty}\sum_{k=0}^nI_kI_{k+1}+I_kI_{k+3}+I_{k+1}I_{k+2}I_{k+3}$
Apr 3, 2019
question
11
Value of Indefinite Integralsl involving Trigonometric function
Jan 18, 2018
answer
10
Limit as $n\to+\infty$ of $\prod_{k=1}^{n} \frac{2k}{2k+1}$
Feb 9, 2020
answer
10
Summation calculus: $\sum_{k=1}^n \frac{2^{2^{k-1}}}{1-2^{2^k}}$
Apr 15, 2017
question
9
Find the value of $1-\frac{1}{7}+\frac{1}{9}-\frac{1}{15}+\frac{1}{17}-\frac{1}{23}+\frac{1}{25}....$
Dec 18, 2018
answer
8
$\int\frac{a\cos x+b}{(a+b\cos x)^2}dx=\;?$
Jan 14, 2017
answer
8
Integral $\int \frac{\sqrt{\sin x}}{\sqrt{\sin x} + \sqrt{\cos x}} dx$
Jan 8, 2017

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