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Re: How do I solve limits in Mathematica?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg17126] Re: [mg17053] How do I solve limits in Mathematica?
  • From: "Tomas Garza" <tgarza at mail.internet.com.mx>
  • Date: Sat, 17 Apr 1999 03:35:16 -0400
  • Sender: owner-wri-mathgroup at wolfram.com

Jeffrey A. Soesbergen [Voyager_2 at cable.A2000.nl] wrote:

> How can I solve the following expressions in Mathematica? Anyone?
>
> 1)
>
> lim (2x-1) == -1
> (x->0)
>
> 2)
>
> lim (2x^2+1) == 3
> (x->1)
>
> I can't figure out how to solve those expressions, so if anyone
> can tell me...

Jeffrey,

What do you mean, "solve"? Either you want to evaluate the limits, or you
want to test if the expression lhs == rhs is true or false.

In[1]:=
Limit [2x-1,x->0]

Out[1]=
-1

In[2]:=
Limit [2x-1,x->0]==-1

Out[2]=
True

In[3]:=
Limit[2x^2+1,x->1]

Out[3]=
3

In[4]:=
Limit[2x^2+1,x->1]==3

Out[4]=
True

Tomas Garza
Mexico City



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