CBSE 2024 · Region 3 · Set 3 · Q8 · 1 mark
Let $\displaystyle Z$ denote the set of integers, then function $\displaystyle \mathrm{f}: Z \rightarrow Z$ defined as $\displaystyle \mathrm{f}(\mathrm{x})=\mathrm{x}^{3}-1$ is :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
one-one but not onto
Relations and FunctionsTypes of FunctionsUnderstandmcqmedium
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CBSE Class 12 Mathematics past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.