$\frac{d^2y}{dx^2}=c$

$\int_0^{\frac{\pi}{5}}\left[e^{4x}sin\:\left(2x\right)\right]\:dx$

$\frac{m^4n^2-900}{m^2n+30}$

$\int_2^{-1}\left(4+x\right)-\left(2-x\right)dx$

$\int\left(3x+5\right)\frac{1}{\left(2x^2+8x+3\right)^2}dx$

$\left(b^3.c^2.d\right)^4$

$\frac{8a^2b^4}{a^4b^2}$