Question

x+9/x=6 then find the value of x^2+9/x^2

Answer 1

x + 9/ x. = 6

x + 9 = 6x

5x = 9

x = 9/5

x² + 9 /x²

81/25 + 9 / 81/25

= 81 + 225/25/81/25

= 1 + 9 .

= 10