Question

Solve the following question:-

Answer 1

Answer:

which class question is this

Answer 2

Answer:

x^2 + 1/x^2 = 27

x^2 + 1/x2 - 2 = 27- 2

x^2 + 1/x2 - 2 ×x × 1/x = 25

(x - 1/x)^2 = 25

applying square root on both sides

x - 1/x = 5

Hope this helps