Question

if x=1 is a zero of the polynomial p(x)=x3-2x2+4x+k find the value of 'k'​

Answer 1

Answer:

1^3 - 2 . 1^2 + 4 . 1 + k

1 - 2 + 4 + k

1 + 2 + k

3 + k

k = -3

hope it helps you

Answer 2

Answer:

-3

Step-by-step explanation:

if x is a zero of p (×) then

p (1)=0

putting the values in p (×)

=> ×^3-2×^2+4×+k=0

=> 1^3-2×1^2+4×1+k =0

=> 1-2+4+k=0

=> k=-3

hope this help you