Re: How to isolate the constant in a two variable equation?
- To: mathgroup at smc.vnet.net
- Subject: [mg113477] Re: How to isolate the constant in a two variable equation?
- From: Bill Rowe <readnews at sbcglobal.net>
- Date: Sat, 30 Oct 2010 04:38:10 -0400 (EDT)
On 10/29/10 at 6:30 AM, emammendes at gmail.com (Eduardo M. A. M.Mendes)
wrote:
>I know that Coefficient can isolate the coefficient relate to the
>variables in an equation but I wonder how the constant could be
>retrieved.
>Something like
>4X*X+3Y*Y+2X*Y+1
>How to get to isolate the constant 1?
In[4]:= Cases[4 X*X + 3 Y*Y + 2 X*Y + 1, _?(FreeQ[#, X | Y] &)]
Out[4]= {1}