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If x^(2)+y^(2)=9 and 4a^(2)+9b^(2)=16, ...

If `x^(2)+y^(2)=9 and 4a^(2)+9b^(2)=16`, then maximum value of `4a^(2)x^(2)+9b^(2)y^(2)-12abxy` is :

A

81

B

100

C

121

D

144

Text Solution

Verified by Experts

The correct Answer is:
D
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VK JAISWAL ENGLISH-COMPOUND ANGLES-Exercise-5 : Subjective Type Problems
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