Integrate the function $\frac{2x^3-4x^2-15x+5}{x^2-2x-8}$ from $1$ to $3$

Find the derivative

$\frac{d}{dx}\left(x^2+y^2=25\right)$

Find the derivative

$\frac{d}{dx}\left(4x^2+y^2=8\right)$

Find the derivative

$\frac{d}{dx}\left(x^2+xy-y^2=1\right)$

Find the derivative

$\frac{d}{dx}\left(y=\sec\left(x\right)\right)$

Find the derivative

$\frac{d}{dx}\left(x^3-x^3 y^2=3\cdot \sqrt{\pi}\right)$

Find the derivative

$\frac{d}{dx}\left(\frac{x}{a}=5\right)$

Find the derivative

$\frac{d}{dx}\left(x=\sin\left(y\right)+1\right)$