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Question
If $$(x - 2)$$ is a factor of $$x^3 - kx - 12$$, then the value of $$k$$ is ______.
Options
3
2
–2
–3
MCQ
Fill in the Blanks
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Solution
If $$(x - 2)$$ is a factor of $$x^3 - kx - 12$$, then the value of $$k$$ is –2.
Explanation:
$$f(2) = 8 - 2k - 12 = 0$$, which gives $$k = -2$$.
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