$\left(b^2\right)^1$

$\int\left(sex\left(x\right)\sqrt{1-cos\left(x\right)}\right)dx$

$\frac{dy}{dx}+y^2-\left(10+2e^{10x}\right)y=-e^{20x}$

$\int r^5\left(1+r^6\right)^7dr$

$\int\left(1+\tan\left(x\right)\right)\sec^2\left(x\right)dx$

$2s^3+3s^2-3s-4$

$\ln\left(y\right)=-\ln\left(x\right)+c$