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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 5 · Set 3 · Q9
The function f (x)=x^3+3 x is increasing in interval
The function $\displaystyle \mathrm{f}(x)=x^{3}+3 x$ is increasing in interval
Official answer
(C)
$\displaystyle \mathbb{R}$
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