Asked by Anonymous
Find k so that (x-2) is a factor of x³+kx-4?
Kindly help me this one
Kindly help me this one
Answers
Answered by
Reiny
let f(x) = x^3 + kx - 4
if x-2 is a factor, then f(2) = 0
f(2) = 8 + 2k - 4 = 0
2k = -4
k = -2
if x-2 is a factor, then f(2) = 0
f(2) = 8 + 2k - 4 = 0
2k = -4
k = -2
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.