Question

15!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

=$frac{2(a+4)}{(a-2)(a^2 +2a+4)} + frac{a+2}{(a+2)^2} = frac{2(a+4)+(a-2)(a+2)}{(a-2)(a+2)^2} = frac{a^2+2a+4}{(a-2)(a+2)^2}= frac{(a+2)^2}{(a-2)(a+2)^2}$=$frac{1}{a-2}$