Differentiate each of the following w.r.t. x:

(i)


(ii) log (sin (3x))


(iii)


(i) Let y = z =


Formula :


According to chain rule of differentiation






(ii) Let y = log (sin (3x)) z = sin (3x)


Formula :


According to chain rule of differentiation





(iii) Let y = z =


Formula :


According to chain rule of differentiation








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