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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 3 · Q5
If α, β are zeroes of a polynomial p(x)=2 x^2-x-1 then α^2+β^2 is equal to
If $\displaystyle \alpha, \beta$ are zeroes of a polynomial $\displaystyle p(x)=2 x^{2}-x-1$ then $\displaystyle \alpha^{2}+\beta^{2}$ is equal to
Official answer
(B)
$\displaystyle \frac{5}{4}$
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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.