Question

find then value and solve the question​

Answer 1

Answer:

x + 1/x = root 5

Squaring both sides,

x^2 + 1/x^2 + 2 = 5

x^2 + 1/x^2 = 3 --> ( i )

( i ). Answer = 3

Now,

Again squaring both sides in equation ( i ),

x^4 + 1/ x^4 + 2 = 9

x^4 + 1/x^4 = 7

( ii ). Answer = 7

Answer 2

Hey mate here is your answer

hope it helps you