Question

The product Of (x-1) And A Rational Expression Is 1. Find The Rational Expression

Answer 1

`(1)/(x-1)`

Explanation:

(x - 1) ×
`(1)/(x-1)` ( cancel the factor (x - 1) on numerator and denominator

= 1

[ In the same way 2 ×
`(1)/(2)` = 1 ]

The required rational expression is
`(1)/(x-1)`