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

CBSE Class 12 Math 2019 Delhi Set 2 Solved Paper

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If f(x)=x+7 and g(x)=x−7,x∈R, then find ‌

d

dx

(f∘g)(x).

Solution:

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