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For the polynomial mx2 – 2x + 3 if p(-1) = 7, then find m. |
Answer» p(x) = mx2 – 2x + 3 ∴ p(- 1) = m (- 1)2 – 2(- 1) + 3 ∴ 7 = m(1) + 2 + 3 …[∵ p(-1) = 7] ∴ 7 = m + 5 ∴ m = 7 – 5 ∴ m = 2 |
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