Biology, asked by dbhumika366, 8 months ago

Compute the value of 9x2 + 4y2 if xy = 6 and 3x + 2y = 12.

Answers

Answered by somen8

9

72.

Explanation:

9x²+4y²

=(3x)²+(2y)²

=(3x+2y)²-2×3x×2y

=(12)²-12xy

=144-12×6

=144-72

=72

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