Differentiable Functions Chain Rule (Jee Mains) | ExamDuo
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Chain Rule and Composite Functions
Medium
Differentiable Functions Chain Rule
Let f and g be differentiable functions on R such that fog is the identity function. If for some a, b ∈ R, g'(a) = 5 and g(a) = b, then f'(b) is equal to :
SELECT ONE OPTION
A
2
5
B
1
C
1
5
D
5
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