Math, asked by mramya99, 9 months ago

find the value of k,such that (x(3)is a factor of polynomial p(x)=kx³+x²-22x-21​

Answers

Answered by Ramneek10
4

Answer:

k =  - 2

Step-by-step explanation:

x  + 3 \\ x =  - 3 \\ f(x) = kx 3 + x2 - 22x - 21 \\   = - 27x + 9 + 66 - 21 \\   = - 27k + 54 \\ 54 - 27k = 0 \\  \\ k =  - 2

Answered by utsav96
1
Pls mark as brainliest answer
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