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swell1984

Member

Registered: 2008-12-30

Posts: 1

Calculus - differentiation question

Here is a question that i am a little stuck on. Can anyone shed some light on the situation???

Differentiate the following:

         y = (x² + 1) . (x³ - 5)

         y = X² - 1 / X² + 1

         y = (3X² + 1)

all help appreciated.......

luca-deltodesco

Member

Registered: 2006-05-05

Posts: 1,470

Re: Calculus - differentiation question

Some notation:

if f is a function, f(x), then f'(x) is it's derivitive.

then you have some basic rules:

and most importantly for your questions:

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mathsyperson

Moderator

Registered: 2005-06-22

Posts: 4,900

Re: Calculus - differentiation question

Some other useful formulas:

Thanks Luca

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It wanted to be normal.

luca-deltodesco

Member

Registered: 2006-05-05

Posts: 1,470

Re: Calculus - differentiation question

correction:

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The Beginning Of All Things To End.
The End Of All Things To Come.