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for part a) let y=x cos(X) , the ln(y)=ln (x cos(X) )=cos(x)ln(x), thus d/dx (ln(y(x)) = d/dx (cos(x)ln(x)), 1/y*dy/dx=cox(x)/x - sinxlnx => solve for dy/dx => y'(x)=x cos(X) (cox(x)/x - sinxlnx) b) d/...

A simple definition of crime would be that a criminal behaviour is a behaviour that is breaking the law. However, crime is a much more complex concept to define. To extend the previous simple definition, cri...

Mieux is the superlative form of the adverb bien , meaning well. Meilleur is the superlative form of the adjective bon , meaning good. Mieux never changes form while meilleur , being an adjective, changes fo...

This was one of the first questions I asked myself when embarking on the big jump from GCSE to A-level and the answer is by looking at the marking criteria. Unlike GCSE, the English Literature mark scheme is...

The two texts both refer to health, as this is a current upcoming social trend, and an effective hook in sporting publications. They both use images and recommendations from celebrities, who endorse the spor...