Question

plz help:)

Answer 1

Kya hua re?

Answer 2

\[x^2=\frac{1}{x^2}+1,\]Then\[x^2+\frac{1}{x^2}=?\]

Answer 3

solve kijiye guru

Answer 4

@ParthKohli help!

Answer 5

root 5

Answer 6

Yes! It's \[\Huge{\color{red}{\sqrt{5}}}\]
But plz give me full solution!

Answer 7

x^2 - 1/x^2 = 1
so
sqr both sides
x^4 + 1/x^4 - 2 = 1
therefr x^4 + 1/x^4 =3 = (x^2 + 1/x^2)^2 - 2

Answer 8

K! Thanx