Question

If (x-1) is a factor of ax - a, then find the value of a

• A. a = 1
• B. a = 2
• C. a = 3
• D. All values of a

Answer 1

The correct option is D

All values of a

p(x) = ax-a as (x-1) is a factor of p(x)

p(1) = a (1) - a = 0

So all values of a satisfies the above equation.