Question

If x + 1/x =1 then what is the value of 2/x^2 - x+ 2 = ?

Answer 1

x+1/x=1

x+1=x

x=x-1

x+x=(-1)

2x=(-1)

x=(-1)/2

2/x^2-x+2

=2/(-1)/2^2-x+2

=2/(-1)^2/2^2-x+2

=2/1/4-x+2

=2*4-(-1)/2

=8+1/2

=16+1/2

=17/2