Question

The value of k, for which the polynomial x3 - 3x2 + 3x + k has 3 as its zero, is:​

Answer 1

Answer:

-9

Step-by-step explanation:

Put the value of x=3 in the equation and equate it to 0.

x^3- 3x^2 + 3x +k = 0 { put x=3}

k= -9.

Answer 2

Answer:

Step-by-step explanation:

P(x)=x³-3x²+3x+k

P(3)=0

(3)³-3(3²) +3(3) +k=0

9+k=0

k=(-9)