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Offline bluesky  
#1 Posted : 05 October 2010 00:59:46(UTC)
bluesky

Rank: Newbie

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Joined: 05/10/2010(UTC)
Posts: 3
Location: UK

I've just started using SMath Studio btw, so apologies if these questions are a bit basic. I have been searching around for answers but couldn't find anything hence I'm posting questions to the forum.

How do I factorize the following expression?

6.p^3 - 30.p^2 + 40.p - 20

I'm using the Windows edition of SMath Studio, build 0.89 (build: 3856)

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Offline omorr  
#2 Posted : 05 October 2010 10:34:17(UTC)
omorr


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Joined: 23/06/2009(UTC)
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Hello bluesky

I think that SMath has no such a feture yet.
For example:
6*p^3-3*p^2-2*p+1
Symbolic engine will give you something like this:
6*p^3-3*p^2-2*p+1—1+p*(-2+p*(-3+6*p))
At least you can do having a polynomial is to find roots with polyroots (numerical values):
a←polyroots(mat(1,-2,-3,6,4,1))
a=mat(-0.58,0.5,0.58,3,1)
p←5
6*(p-el(a,1))*(p-el(a,2))*(p-el(a,3))=666
6*p^3-3*p^2-2*p+1=666@#

Regards,
Radovan
When Sisyphus climbed to the top of a hill, they said: "Wrong boulder!"
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