Question

if x-k is a factor of xsquare -kx + kx +k -2​

Answer 1

Answer:

k = root 2-k

Step-by-step explanation:

x -k = 0

x = k

x²-kx + kx +k -2

x²-kx + kx +k =2

x² + k = 2

put x= k

(k)² + k =2

k(k +1) = 2

k+1 = 2/k

k = 2/k - 1

k = 2/k - k/k

k² = 2 -k

k = root 2-k