JEE Advance - Mathematics Hindi (2016 - Paper 1 Offline - No. 8)

मान लें $$f:\mathbb{R} \to \mathbb{R},\,g:\mathbb{R} \to \mathbb{R}$$ और $$h:\mathbb{R} \to \mathbb{R}$$ अवकलनीय फलन हैं, इतने कि $$f\left( x \right)= {x^3} + 3x + 2,$$ $$g\left( {f\left( x \right)} \right) = x$$ और $$h\left( {g\left( {g\left( x \right)} \right)} \right) = x$$ सभी $$x \in R$$ के लिए। तो
$$g'\left( 2 \right) = {1 \over {15}}$$
$$h'\left( 1 \right) = 666$$
$$h\left( 0 \right) = 16$$
$$h\left( {g\left( 3 \right)} \right) = 36$$

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