Question

(x + 1/x)=6, find the values of (x-1/x)^

I need steps... Plz help me​

Answer 1

Answer:

x+1/x=6

let square both sides,

x²+1/x²+2=36

x²+1/x²=34

-2 add both sides

x²+1/x²-2=34-2

(x-1/x) ²=32

x-1/x=√32=4√2