Question

If (x - 2) is a factor of -2ax? + ar-1, then the value of a is​

Answer 1

Answer:

a=2

Step-by-step explanation:

x-a=0

x=a

and,

p(x) = x^3-ax^2+x+2

substituting x=a in p(x) we get,

a^3-a*a^2+a+2=0

a^3-a^3+a+2=0

a+2=0

a=-2