MathematicsPolynomialsJAMB
If (x − 1) is a factor of x³ + kx² − 4, find k.
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Answer: D. 3
By the factor theorem, f(1) = 0: 1 + k − 4 = 0, so k = 3.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.
Mathematics · Polynomials
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