Math Chapter Wise Limit, Continuity And Differentiability Of Function Of One Variable English MCQ TGT 2010 Q.If f(x) is a differentiable function then x a af(x) xf(a) lim x a → − Aa f'(a) – f(a) Ba f(a) – f'(a) Ca f'(a) + f(a) Da f(a) + f'(a) Show answer Correct answer: a f'(a) – f(a)