JEE Main 20198 Apr, Evening shiftMathematicsEasyLimit, Continuity and Differentiability420× since 2002If ƒ(1) = 1, ƒ'(1) = 3, then the derivative of ƒ(ƒ(ƒ(x))) + (ƒ(x))2 at x = 1 is :AOption A. 33BOption B. 12COption C. 9DOption D. 15CheckSkip · show solution
