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(x + 2) (x2 + 5) = ……………..A) x3 + 2x2 + 5x + 10 B) x3 – x2 – 5x + 1 C) x3 – 7x2 + 3 D) x3 – 3x + 7 |
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Answer» A) x3 + 2x2 + 5x + 10 Correct option is (A) x3 + 2x2 + 5x + 10 \((x+2)(x^2+5)\) = \(x^3+2x^2+5x+10\) |
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