find k if X + 1 is a factor of PX is equal to x cube 3 - 3xsquare + kx
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Answered by
0
Answer:
If x+1 Then x = (-1)
P(x)=x^3-3x^2+kx
P(-1)=(-1)^3-(-1)^2+k(-1) = 0
= -1 -1 -1k = 0
= -2 -1k = 0
= k = -2/-1
= k =2
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Answered by
0
Answer:
answer is - 4
Step-by-step explanation:
x^3 - 3x^2 + kx = 0
(-1)^2 - 3 * (-1)^2 + k * -1 = 0
-1 – 3 – k = 0
-4 – k = 0
-k = 4
k = - 4
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