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Further Mathematics · Polynomials and the remainder theorem

Further MathematicsPolynomials and the remainder theoremWAEC

Find the remainder when 2x³ + x² − 5x + 7 is divided by (x + 2).

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Answer: B. 5

Remainder theorem: f(−2) = −16 + 4 + 10 + 7 = 5.

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