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If α, β and γ are the zeros of 2x^3 – 6x^2 + 5x + 2, then the value of α + β + γ is _______(a) 0(b) 1(c) 3(d) 2This question was posed to me in unit test.Asked question is from Zeros and Coefficients of Polynomial topic in division Polynomials of Mathematics – Class 10 |
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Answer» CORRECT OPTION is (c) 3 To explain I would say: α, β and γ are the zeros of 2x^3 – 6x^2 + 5x + 2 The sum of zeros or α + β + γ = \(\frac {-coefficient \, of \, x^2}{coefficient \, of \, x^3} = \frac {6}{2}\) = 3 |
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