Question

if 2a-2/a+1=0 then prove a3-1/a3+2=?

Answer 1

Hey

Your Answer:

Given : $\frac{2a-2}{a+1} = 0 \\ \\ 2a - 2 = 0 \\ \\ 2a = 2 \\ \\ a=1$

To find :$\frac{ a^{3} - 1}{ a^{3} + 2 } = \frac{ 1^{3} - 1}{1^{3} + 2} \frac{0}{3} = 0$