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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 3 · Set 3 · Q4
If $\displaystyle \alpha$ and $\displaystyle \beta$ are zeroes of the polynomial $\displaystyle \mathrm{p}(\mathrm{x})=\mathrm{kx}^{2}-30 \mathrm{x}+45 \mathrm{k}$ and $\displaystyle \alpha+\beta=\alpha \beta$, then the value of 'k' is :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle \frac{2}{3}$
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CBSE Class 10 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.