Limit, Continuity and Differentiability: JEE Main 2020 Mathematics question

JEE Main 2020 · 9 Jan, Evening shift · Q3698

JEE Main 20209 Jan, Evening shiftMathematicsEasyLimit, Continuity and Differentiability420× since 2002

Let ƒ and g be differentiable functions on R such that fog is the identity function. If for some a, b

\in

R, g'(a) = 5 and g(a) = b, then ƒ'(b) is equal to :

JEE Main 2020 · 9 Jan, Evening shift · Q3698

JEE Main 20209 Jan, Evening shiftMathematicsEasyLimit, Continuity and Differentiability420× since 2002

Let ƒ and g be differentiable functions on R such that fog is the identity function. If for some a, b

\in

R, g'(a) = 5 and g(a) = b, then ƒ'(b) is equal to :

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