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In the polynomial kx2 + 2x – 5, what number must be taken ask to get a polynomial for which x –1 is a factor? |
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Answer» p(x) = kx2 + 2x – 5 If (x – 1) is a factor, then p(1) = 0 p(1) = k(l)2 + 2 x 1 – 5 = k + 2 – 5 = k – 3 k – 3 = 0 k = 3 |
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