Question

if x+1/x=3 evaluate x-1/x

Answer 1

Answer:

-1

Step-by-step explanation:

x+1/x = 3

=> x+1 = 3x

=> 2x = 1

=> x = 1/2

So, x-1/x

= (1/2-1)/(1/2)

= (-1/2)/(1/2)

= -1