$\lim_{x\to0}\left(x\cos x-\sin x\right)$

$192+10-100$

$-1^4\:<\left(-1\right)^4$

$\int\left(\frac{16x^3}{\left(2x^4+4\right)^{\frac{3}{2}}}\right)dx$

$\frac{\sec\left(m\right)\cos\left(m\right)}{\cot\left(m\right)}=\tan\left(x\right)$

$\frac{d^2}{dx^2}\left(sinx+cotx\right)$

$\int5x^2\left(2x+3\sqrt{x}\right)dx$