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The minimum value of 64 sec theta +27 co...

The minimum value of `64 sec theta +27 cosec theta` where `theta` lies in `(0,pi//2)` is

A

125

B

136

C

142

D

115

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-APPLICATIONS OF DIFFERENTIATION-EXERCISE 1E (MAXIMA AND MINIMA)
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  2. The minimum value of a^2sec^2theta +b^2 cosec^2 theta is

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  15. The greatest value of the function f(x) =sin 2x -x on [-pi//2,pi//2] ...

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  16. The least value of f(x) = sin 2x -x on [-pi//2,pi//2] is

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  18. For a gt 0, if the function f(x)=2 x^(3) - 9 a x^(2) + 12 a^(2) x + 1...

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  19. If ma and M respectively denote the minimum and maximum of f(x) =(x-1)...

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