Finding hte value of $1/(1^2)+1/(2^2)+1/(3^2)+\dots +1/(n^2)$
42326
Complex Analysis Solution to the Basel Problem ($\sum_{k=1}^\infty \frac{1}{k^2}$)
58262
Find the sum of the series $1+\frac{1}{3}\cdot\frac{1}{4}+\frac{1}{5}\cdot\frac{1}{4^2}+\frac{1}{7}\cdot\frac{1}{4^3}+\cdots$
148492
Finding the limit of the sequence $(1 - 1/\sqrt 2) \dotsm ( 1 - 1/\sqrt {n+1})$
54473
Value of $\sum 1/p^p$
126981
Character of $2x_1^2 + 5x_2^2 + 5x_3^2 + 4x_1x_2 - 4x_1x_3 - 8x_2x_3 $
60491
Evaluate $ \int_{25\pi/4}^{53\pi/4}\frac{1}{(1+2^{\sin x})(1+2^{\cos x})}dx $
69234
Solving Diophantine equation $1/x^2+1/y^2=1/z^2$
112950
Find the value of infinite series $\sum_{n=1}^{\infty} \tan^{-1}(2/n^2)$
113189
Find the sum of the series $1^2-2^2+3^2-4^2+...-(2n)^2$
140622
Find the value of : $\lim_{x \to \infty} \sqrt{4x^2 + 4} - (2x + 2)$
71611
Evaluating $\int\sqrt{\frac{1-x^2}{1+x^2}}\mathrm dx$
158004
A formula for $1^4+2^4+...+n^4$
17390
Find $LK_1^2 + LK_2^2 + \dots + LK_{11}^2$.
111601
Evaluating $\int \tan^{1/3}(\theta) d \theta$
9390
$ \int_1^2\int_1^2 \int_1^2 \int_1^2 \frac{x_1+x_2+x_3-x_4}{x_1+x_2+x_3+x_4}dx_1dx_2dx_3dx_4 $
17766
Find $n^{th}$ term of $\frac23,\frac35,\frac58,\frac8{13}\dots$
38705
Evaluating $\sqrt{1 + \sqrt{2 + \sqrt{4 + \sqrt{8 + \ldots}}}}$