$\int\frac{z+1}{-z^2-1}dz$
$\sqrt{3by^2}$
$\left(\:n\:-\:10\:\right)\:.\:\left(\:n\:+\:10\:\right)$
$\lim_{x\to0}\:\frac{secx-cosx}{x^2}$
$\frac{1}{\left(1-\cos a\right)\left(1+\cos a\right)}$
$6b.4-5b$
$\lim_{x\to-\infty}\left(\frac{-7x^2+6}{x^2+2x-3}\right)$
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!