Question

if x-k is a factor of x^2-xk+k-2 then the value of k is 1 2 3 4

Answer 1

Answer:

x-k

x=k

put the value of x in equation

x^2 -xk+k-2=0

k^2 -k^2 +k-2=0

k-2 =0

k=2