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The minimum value of a^2sec^2theta +b^2 ...

The minimum value of `a^2sec^2theta +b^2 cosec^2 theta` is

A

`a^2-b^2`

B

`a^2+b^2`

C

`(a-b)^2`

D

`(a+b)^2`

Text Solution

Verified by Experts

The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-APPLICATIONS OF DIFFERENTIATION-EXERCISE 1E (MAXIMA AND MINIMA)
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