Evaluate the limit
$\lim_{x\to0}\left(\frac{1-\cos\left(x\right)}{x^2}\right)$
Compute the integral
$\int xdx$
$\lim_{x\to0}\left(\frac{\sin\left(3x\right)}{\tan\left(4x\right)}\right)$
$\int\left(x\cdot\cos\left(2x^2+3\right)\right)dx$
$\int x\left(x^2-3\right)dx$
$\int x^2\sin\left(x\right)dx$
$\int x^2\cos\left(2x\right)dx$
In mathematics, a limit is the value that a function or sequence "approaches" as the input or index approaches some value.
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