Question

pls solve this urgent too much

Answer 1

Here is your answer check it.

Answer 2

x + 1 / x = 8
squaring both sides.
(x + 1 / x )^ 2= (8) ^2. [ ( a+b)^2 = a^2 + b^2 + 2ab].
= x^2 + 1 / x^2 + 2x × 1 / x = 64
x^2 + 1 / x^2 + 2 = 64
x^2 + 1 / x^2 = 64 - 2
x^2 + 1 / x^2 = 62