Question

Find the value of k, if (x-1) is a factor of 4x^3 +3x^2 - 4x +k is​

Answer 1

Given,  (x−1) is a factor of P(x)

x−1=0

x=1∴ p(1)=4×(1)2+3×(1)2−4×(1)+k=0

4+3−4+k=0

k+3=0

k=−3

Hence, the value of k is −3.