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Whenever there is an equation in the form f(x)=u/w, the quotient rule tells us that:

   f '(x)= [w(du/dx)-u(dw/dx)]/v²  *It looks complecated but if you break it down, it is si...

(a) In a question like this, you will be given that the Specific Heat Capacity of water is 4200Jkg^-1K^-1. However, commiting this to memory will be helpful.

Start wit...

When learning German, English learners can find it rather difficult to adapt to the accent and pronunciation of particular words and sounds. 

Typical mistakes

A lot of energy is lost at each level

The dry mass of an organism