If \alpha, \beta are the zeroes of the polynomial p(x) = 4x^2 - 3x - 7, then \left(\frac{1}{\alpha} + \frac{1}{\b... | MCQ 1m | Maths | SuperPadhai

Polynomials > Question

MCQ1 markYear: 2023EasyCBSE Class 10

polynomialszeroessum-product-relation

Question

If

α

,

β

are the zeroes of the polynomial

p (x) = 4 x^{2} - 3 x - 7

, then

(\frac{1}{α} + \frac{1}{β})

is equal to:

Solution

1

\frac{1}{α} + \frac{1}{β} = \frac{α + β}{α β} = \frac{3/4}{- 7/4} = \frac{3}{- 7} = \frac{- 3}{7}

+1 mark

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