Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2008 | January | Q#5

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Question

a.   Write  in the form  where p and q are constants.

Given that  , x > 0,

b.   find  , simplifying the coefficient of each term.

Solution

a.
 

We are given;

b.
 

We are given;

We are required to find;

Therefore;

Rule for differentiation of  is:

As demonstrated in (a);

Therefore;

Rule for differentiation of  is:

Rule for differentiation is of  is:

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