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← Bihar Board Class 12 PYQ

Continuity and Differentiability

Bihar Board Class 12 · Mathematics · 139 past questions

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  1. Q41 2025
    If $x = 3\cos\theta - 2\cos^3\theta$, $y = 3\sin\theta - 2\sin^3\theta$ then find $\dfrac{dy}{dx}$.