Question

The value of k, if (x – 1) is a factor of 3x^2 + x + k, is

Answer 1

Answer:

if x-1 is factor then 1 is a zero of polynomial

p(x)=3x^2 + x + k

p(1)=3(1)^2 +1 +k=0

3+1+k=0

4+k=0

k=-4(answer)