Application of Derivatives

Bihar Board Class 12 · Mathematics · 13 past questions

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1. Q4 2025

   The rate of change of the area of a Circle with respect to its radius $r$ at $r = 10\ cm$. is

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2. Q5 2025

   The slope of the normal to the Curve $y = 3x^3 + 7\sin x$ at $x = 0$ is

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