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\begin{array} { l } { \text { Differentiate the following functions } w , \mathbf { r } \text { . to } x : } \\ { \text { (1) } \frac { \sin x - x \cos x } { x \sin x + \cos x } } \\ { \text { (2) } ( \log x ) \sin x } \end{array} |
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Answer» 1 2 3 |
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