The correct answer is B. .....(i) Let , then ⇒ ⇒ ⇒ ⇒ .....(ii) From 3 × (i) + 2 × (ii), ⇒ ⇒ ⇒ ⇒ ⇒ ⇒ .

Let then is equal to

Maths Differentiation and Applications of Derivatives Differentiation by Substitution, Higher Order Derivatives Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

Text Solution

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The correct answer is:

.....(i)

Let , then

⇒ ⇒

⇒ ⇒ .....(ii)

From 3 × (i) + 2 × (ii),

⇒ ⇒

⇒ ⇒ ⇒ ⇒ .

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