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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 7 · Set 1 · Q10
A spherical ball has a variable diameter 5/2(3 x +1). The rate of change of its volume w.r.t. x, when x =1, is:
A spherical ball has a variable diameter $\displaystyle \frac{5}{2}(3 \mathrm{x}+1)$. The rate of change of its volume w.r.t. x , when $\displaystyle \mathrm{x}=1$, is :
Official answer
(C)
$\displaystyle 375 \pi$
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