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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 4 · Set 1 · Q2
(1+√ 3 )^2-(1-√ 3 )^2 is:
$\displaystyle (1+\sqrt{3})^{2}-(1-\sqrt{3})^{2}$ is :
Official answer
(C)
a positive irrational number.
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CBSE Class 10 Mathematics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.