If $y = (3x^2 - \cos x)^2$, find $\frac{dy}{dx}$.
University of Ilorin MTH102 2023 past question
- $2(3x^2 - \cos x)(6x + \sin x)$
- $2(3x - \cos x)(6x + \sin x)$
- $2(3 - \cos x)(6 + \sin x)$
- $2(6x + \sin x)(3x - \sin x)$
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