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Differentiation question

2019 · 8 Apr · Shift 2 · Q35

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PYQ Library
JEE Main
Mathematics
Differentiation
2019 · 8 Apr · Shift 2 · Q35

Differentiation question

2019 · 8 Apr · Shift 2 · Q35

JEE MainMathematicsDifferentiationMCQ+4 / −1

If ƒ(1) = 1, ƒ'(1) = 3, then the derivative of ƒ(ƒ(ƒ(x))) + (ƒ(x))2 at x = 1 is :

A
33
B
12
C
9
D
15

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