Class 12 Integrals · Mcq Single Correct1 Marksintegration Class 12 Maths · Integrals · Mcq Single Correct #24 If f′(x)=ax+b and f(0)=0, find f(x). (A) a+b(B) ax²/2+bx(C) ax²/2+bx+c(D) b