$\frac{d^2}{dx^2}\left(4x^2-6x-4\right)$

$240-600-480-225$

$1.92\cdot100$

$\log_{10}\left(0.01^x\right)$

$\int\left(\frac{2sin^3\left(\pi x\right)}{sec^2\left(\pi x\right)}\right)dx$

$\left(1-\sin^{2}\left(x\right)\right)\csc\left(x\right)=\cos\left(x\right)\cot\left(x\right)$

$\frac{x}{1+x^2}\le\frac{1}{2}$