IGCSE/GCSE/O & A Level/IB/University Student Forum

Qualification => Subject Doubts => GCE AS & A2 Level => Math => Topic started by: Dania on September 30, 2010, 06:49:34 pm

Title: Calculus Quickie!
Post by: Dania on September 30, 2010, 06:49:34 pm
How would I integrate this? :-

36/(3x-2)^2

Thanks :)
Title: Re: Calculus Quickie!
Post by: SpongeBob on September 30, 2010, 07:10:42 pm
How would I integrate this? :-

36/(3x-2)^2

Thanks :)

36(3x-2)^2 dx

=36(3x-2)^3/ 3X3

=4(3x-2)^3
Title: Re: Calculus Quickie!
Post by: Dania on September 30, 2010, 07:15:07 pm
You mean 36(3x-2)^-2? Yeah?
Title: Re: Calculus Quickie!
Post by: SpongeBob on September 30, 2010, 07:29:34 pm
You mean 36(3x-2)^-2? Yeah?

oh sorry i missed the '/'

36(3x-2)^-2

36(3x-2)^-1/-1 X3

-12/ (3x-2)

Title: Re: Calculus Quickie!
Post by: Dania on September 30, 2010, 07:34:24 pm
Oh! Yes, I get it. Thanks. I always get confused when there's a number before the brackets. But that's been cleared now.
Title: Re: Calculus Quickie!
Post by: elemis on September 30, 2010, 07:42:48 pm
Spongebob forgot to add a C at the end.