Let be a polynomial of degree 3 having extreme value at .…

Maths Functions, Limits, Continuity and Differentiability Telangana & AP CET Previous Year Question Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Let be a polynomial of degree 3 having extreme value at . If , then

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The correct answer is:

Let polynomial of degree .

Differentiating w.r.t. , we get

Since, has extreme value at

Now, it is given that

Since, value of limit is finite

Putting in eq. (i), we get

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