Same chapter1 markDifficulty: Medium
If (x + 2) is a factor of f(x), then:
Factorisation of Polynomials
3 marksDifficulty: Medium
Find the value of a if (x − 2) is a factor of x3 + ax2 + 2x − 8.
Original Khojo Papers practice question — not from a past board paper.
Answer
a = −1
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
By the factor theorem f(2) = 0, so 8 + 4a + 4 − 8 = 0, giving 4a = −4 and a = −1.
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