If $u,\: v$ and $w$ are functions of $x$, then show that $\large\frac{d}{dx}$$( u.v.w) =\large \frac{du}{dx}$$v.w + u . \large\frac{dv}{dx}$$. w + u.v. \large\frac{dw}{dx}$ in two ways - first by repeated application of product rule, second by logarithmic differentiation.

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