Question

If x square +1/x square = 38 the find the value of x-1/x

Answer 1

Answer:

x - 1/x = 6

Step-by-step explanation:

x^2 + 1/x^2 = 38

by (a-b)^2 = a ^ 2 + b^2 -2ab

(x -1/x )^2 +2 = 38

(x- 1/ x )^2 = 36

x- 1/x = 6