Question

2 by √x + 3 by √y=2 and 4 by √x - 9 by √y = -1​

Answer 1

Step-by-step explanation:

2/√X + 3/√Y = 2

2+3 /√X*√Y = 2

5 = 2*√X*√Y

5 = 2XY

XY = 5/3

4/√X - 9/√Y = -1

4-9 /√X*√Y = -1

-5 = -1*X*Y

-5 = -XY

XY = 5

HERE IS YOUR ANSWER

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