Question

2 X + 3 Y = 10 andx y = 5 find the value of 4 x square + 9 y square

Answer 1

70 is the ans. of given calculation

Answer 2

First, solve for x and y:
2x + 3y = 10
xy = 5; therefore, y = 5/x
2x + 15/x = 10
2x + 15 = 10x
15 = 8x
x = 15/8
y = 65/8

Then we evaluate 4x^2 + 9y^2 = 38925/64