Question

Solve if 2x + 3y = 10 and xy = 8, Find the value of 4x square + 9y square. Solve with all steps and solution given Solve it fast its too urgent.

Answer 1

here is your answer ☺☺☺☺☺☺



given this thing
2x+3y=8 & xy=2.

So using identity (a+b)²=a²+b²+2ab

(2x+3y)²=(2x)²+(3y)²+2(2x)(3y)

(8)²=4x²+9y²+2*2*2*3

64=4x²+9y²+24

64-24=4x²+9y²

40=4x²+9y²