Question

If x square + 1upon x Square = 51 find the value of x- 1upon x​

Answer 1

Answer:

x - 1/x = 7

Step-by-step explanation:

x^2 + 1/ x^2 = 51

x^2 + 1/ x^2 - 2 = 51 - 2

as we know (x-y)^2 = x^2 + y^2 - 2xy

(x- 1/x)^2 = 49

(x- 1/x)^2 = (7)^2

x - 1/x = 7