Question

If x - 1/x =9, find the value of x² + 1/x²​

Answer 1

Step-by-step explanation:

HERE IS YOUR ANSWER MATE

Answer 2

Consider (x – 1/x) = 9 Squaring on both the sides,

we get [x – (1/x)]2

= 32 x2 – 2 (x) (1/x) + (1/x2)

= 9 x2 – 2 + (1/x2) = 9

Therefore, x2 + (1/x2)

= 9 + 2 = 11