Question

Find the value of K, if (x-1) is a factor of P(x) = 2x² + kx + V2​

Answer 1

Answer: K = -4 .

Step-by-step explanation:

Since x-1 is factor of P(x)

Therefore, x= 1 .

Now,

P(1)= 2(1²) +k(1)+2

Since x-1 is factor of p(x)

2+k+2= 0

=> k = -4 .