Question

x=2/4 find x-1/x?how solve it

Answer 1

hey..

= x - 1/x
= x^2 -1
= (2/4)^2 - 1
= (1/2)^2 - 1
= 1/4 - 1
= 1-4/4
= -3/4

Answer 2

sol: we have
x=2/4
=>x-1/x
=>2/4-4/2
=>2-8/4
=>-4/4
=>-1

I hope this will help you.