Aplicamos a regra: $\ln\left(ab\right)$$=\ln\left(a\right)+\ln\left(b\right)$, onde $a=x$ e $b=\sqrt{x^2-7}$
Try other ways to solve this exercise
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!