Question

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

​

Answer 1

Answer:

here is your answer

please mark it as brainlist

Answer 2

Answer:

72

Step-by-step explanation:

given 3x + 2y = 12

squaring both sides

we get

(3x + 2y)^2 =12^2

9x2 + 4y2 + 12xy = 144

here xy is given i.e = 6

therefore 9x2 + 4y2 = 144 - 12(6)......putting xy = 6

9x2 + 4y2 = 72