Question

if x + one by X is equals to 4 find the value of x square + one by x square

Answer 1

16 -2 = 14

(x+1/x)^2 = x^2 + (1/x)^2 + 2.x.1/x
= x^2 + (1/x)^2 +2
x^2 + (1/x)^2 = 16-2=14