Question

if x-1/x = 15, then find rhe value of (x^2+1/x^2)​

Answer 1

Step-by-step explanation:

Given, x - 1/x = 15

Squaring both sides,

(x - 1/x)² = 15²

x² + 1/x² - 2 = 225

x² + 1/x² = 227