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Class 10MathematicsPolynomialsPolynomials in one variableHard
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If (\alpha) and (\beta) are zeroes of (2x^2-3x-5), what is (\frac{1}{\alpha}+\frac{1}{\beta})?

Answer and explanation

Correct answer: (-\frac{3}{5})

(\frac{1}{\alpha}+\frac{1}{\beta}=\frac{\alpha+\beta}{\alpha\beta}). Here (\frac{3}{2}\div-\frac{5}{2}=-\frac{3}{5}).

Related tags

PolynomialsZeroesReciprocalHardPolynomials In One VariableMathematicsClass 10 Mcq
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