Let ,where . If (20) , for natural numbers and , then … | CGP Edu

Maths Definite Integral and Area Under Curves JEE Main 2021 - ( Definite Integration ) Numeric Response

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Let ,where . If (20) , for natural numbers and , then equal to ____.

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The correct answer is:

(486)

Let ( and are scalars)

Since

Also projection of on is

From (i) and (ii)

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