Let f(x)=x-5. If g(x)=[f(4h(x)+3)]^2 and h(1)=4, h'(1)=-2, then g'(1)= _____

MHT CET 2026 Mathematics question

Let . If and , , then

Answer: (B)

, so . By the chain rule . At : and , so ,

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Question ID VK-097793