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If α and β are the zeros of 3x^2-5x-15, then the value of αβ is _______(a) -5(b) -10(c) -15(d) -20The question was asked in class test.My question is based upon Zeros and Coefficients of Polynomial topic in portion Polynomials of Mathematics – Class 10 |
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Answer» CORRECT answer is (a) -5 Easiest explanation: α and β are the ZEROS of 3x^2-5x-15. Product of zeros or αβ = \(\FRAC {constant \, term}{coefficient \, of \, x^2} = \frac {-15}{3}\) = -5 |
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