$\int\frac{5\:ln\:x}{x}dx$

$\left|50\cdot\left(-2\right)\right|\cdot9$

$3\sqrt{x^7}-\sqrt{x}+2\sqrt[5]{x^2}$

$\int\left(\frac{2+\sin^3\left(y\right)}{\cos^2\left(y\right)}\right)dy$

$\int\:\frac{7^x}{4-7^x}dx$

$\frac{4x^{3}+7x^{2}+2x-1}{x^{3}+3x^{2}+3x+1}$

$\int5xe^{6x}dx$