If , and R is a point on x -axis then the value of will …

Maths Differentiation and Applications of Derivatives Maxima and Minima Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

If , and R is a point on x -axis then the value of will be minimum at

(3, 0)

(1, 0)

Text Solution

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The correct answer is:

Let co-ordinate of R ( x , 0)

Given and

For minimum value of PR + RQ ,

⇒ ⇒

Squaring both sides,

⇒ ⇒ ⇒ ⇒ , .

Also . .

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