Calculus
Calculus Warmups
by
Siddharth Goel
\[\large\sum _{ j=0 }^{ \infty }{ \sum _{ i=0 }^{ \infty }{ \frac { { 2 }^{ -(i+j) } }{ i+j+1 } } } = \ ?\]
Give your answer to 3 decimal places.
by
Aditya Kumar
\[ \large \lim _{xy\to 1}\left(\frac{\ln\:x}{\ln\:y}+\frac{\ln\:y}{\ln\:x}\right)= \ ? \]
by
Efren Medallo
\[ \large 2 \times \lim_{h\to0} \dfrac{\int_1^{1+h} x^x \, dx - \int_{1-h}^1 x^x \, dx }{h^2} =\, ? \]
by
Pi Han Goh
Some people claim that \( 0 ^ 0 = 1 \). What is
\[ \Large \lim_{ x \rightarrow 0^+ } x ^{^ { \frac{ 1}{\ln x} }}?\]
by
Calvin Lin