If {\f}(x)=x+7 and {\g}(x)=x-7, x \in {\R}, then find { {\d}}/{ {\d} x}(f \circ g)(x).

CBSE Class 12 Math 2019 Delhi Set 2 Solved Paper - Question 1

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{\f}(x)=x+7

and

{\g}(x)=x-7, x ∈ {\R}

, then find

\;{ {\d}}/{ {\d} x}(f ∘ g)(x)

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