$\left(2x-y\right)^2\left(2x+y\right)^2\left(4x^2+y^2\right)^2$

$\int\left(2x\left(x^2+5\right)^9\right)dx$

$\left(\frac{1}{3}x+3\right)^5$

$\int_{\sqrt{2}}^2\left(\tan\left(x\right)\sqrt{\sec\left(x\right)}\right)dx$

$504-18-20$

$\tan^2b-2\tan^2b\cdot\sec^2b+\sec^4b$

$-1-5\left(-3\right)$