Question

If x-1/x=3 then x^4+1/x^4=?

Answer 1

Hey!!!...Here is ur answer

x-1/x=3

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

x^2+1/x^2=11

x^4+1/x^4+2=121

x^4+1/x^4=119

Hope it will help you

Answer 2

though the picture is blur but try to understand the sum