$196\left(9\right)$

$16-25x^2y^4$

$4^7\cdot4^{-5}$

$\left(3x^2+5\right)\tan\left(y\right)dx\:+\:\left(1-x\right)\sec^2\left(y\right)dy$

$\lim_{x\to\pi}\left(\left(x-\pi\right)^2\right)$

$\frac{9}{\cot^2\left(x\right)+1}$

$\int_{\frac{\pi}{4}}^{\frac{2\pi}{3}}\left(sec^{2\:}x\right)dx$