If \alpha and \beta are zeroes of the polynomial 5x^2 + 3x - 7, the value of \frac{1}{\alpha} + \frac{1}{\beta} ... | MCQ 1m | Maths | SuperPadhai

Polynomials > Question

MCQ1 markYear: 2024EasyCBSE Class 10

polynomialszeroessum-product-relation

Question

If

α

and

β

are zeroes of the polynomial

5 x^{2} + 3 x - 7

, the value of

\frac{1}{α} + \frac{1}{β}

is

Solution

1

\frac{1}{α} + \frac{1}{β} = \frac{α + β}{α β} = \frac{- 3/5}{- 7/5} = \frac{3}{7}

+1 mark

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