$\left(x^2.y^5z\right)^5$

$2\cot\left(x\right)=\frac{\sin\left(x\right)}{\sec\left(x\right)+1}+\frac{\sin\left(x\right)}{\sec\left(x\right)-1}$

$4096\cdot256\cdot128$

$8+\left(-2\right)+3+5\cdot\left(-3\right)+\left(-7\right)$

$\frac{dy}{dx}=y\left(x\cdot y^3-1\right)$

$4x^3x=2$

$6.2\cdot10^3$