$2.7-9.7$
$1-\cot\left(x\right)=1+\cot\left(-x\right)$
$2x^2-4x+30$
$4x^55+2x-1$
$\frac{x^8-1^8}{x^2-1}$
$20a^5+15a^3b^2$
$\int\frac{xcos\sqrt{x}}{\sqrt{x}}dx$
Get a preview of step-by-step solutions.
Earn solution credits, which you can redeem for complete step-by-step solutions.
Save your favorite problems.
Become premium to access unlimited solutions, download solutions, discounts and more!