Question

1. Find value of l, if x1 is a factor of
0 4.X3 + 3x2 - 4x +k
11) 22 + kx + 2
iii) 12. 3x + k​

Answer 1

Answer:

Let P(x)=4x

3

+3x

2

−4x+k

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.