C-03-Q142mediumsingle_mcqFactorize f(a)=a3−9+(a+1)3f(a) = a^3 - 9 + (a+1)^3f(a)=a3−9+(a+1)3:a(a−1)(2a2+5a+8)(a-1)(2a^2 + 5a + 8)(a−1)(2a2+5a+8)b