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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 4 · Set 1 · Q17
If α, β are the zeroes of the polynomial p ( x )=4 x^2-3 x -7, then (1/(α)+1/(β)) is equal to:
If $\displaystyle \alpha, \beta$ are the zeroes of the polynomial $\displaystyle \mathrm{p}(\mathrm{x})=4 \mathrm{x}^{2}-3 \mathrm{x}-7$, then $\displaystyle \left(\frac{1}{\alpha}+\frac{1}{\beta}\right)$ is equal to :
Official answer
(D)
$\displaystyle \frac{-3}{7}$
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CBSE Class 10 Mathematics past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.