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

Qualification => Subject Doubts => GCE AS & A2 Level => Math => Topic started by: halosh92 on February 02, 2010, 03:48:07 pm

Title: MATHS C2 DOUBT
Post by: halosh92 on February 02, 2010, 03:48:07 pm
Binomial expansion:

fully expand the expression:

(1+3x)(1+2x)^3
Title: Re: MATHS C2 DOUBT
Post by: astarmathsandphysics on February 02, 2010, 03:58:02 pm
i HAVE TO GO OUT IN A FEW MINS. wHILL HAVE TO DO IT WHEN i COME BACK.
Title: Re: MATHS C2 DOUBT
Post by: halosh92 on February 02, 2010, 04:01:50 pm
Quote from: astarmathsandphysics on February 02, 2010, 03:58:02 pm
i HAVE TO GO OUT IN A FEW MINS. wHILL HAVE TO DO IT WHEN i COME BACK.

alright then!  :)
Title: Re: MATHS C2 DOUBT
Post by: Saladin on February 02, 2010, 05:12:36 pm
-24x4-28x3-6x2+3x+1
Title: Re: MATHS C2 DOUBT
Post by: halosh92 on February 03, 2010, 04:35:05 pm
Quote from: The Dude 321 on February 02, 2010, 05:12:36 pm
-24x4-28x3-6x2+3x+1
Title: Re: MATHS C2 DOUBT
Post by: halosh92 on February 03, 2010, 04:35:59 pm
Quote from: halosh92 on February 03, 2010, 04:35:05 pm


whats the method?
Title: Re: MATHS C2 DOUBT
Post by: Alpha on February 04, 2010, 02:30:33 am
Binomial Expansion. nCr notation.

http://www.purplemath.com/modules/binomial.htm

Or [(1+3x)(1+2x)](1+2x)^2.