Question

How do you find the equation of the tangent line to curve y=x−1x+1, that are parallel to the line x−2y=2?

Answer 1

x-2y=2

2y=2-x

y=2-x÷2

y=x-1x+1

2-x÷2= x-1x+1

2-x= 2x-x+2

x-2=2

x=4

y= 4-4+4

y=4