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1.5.11 Limits

Here is the expression  .

In[1]:=  t = Sin[x]/x

Out[1]=

If you replace x by 0, the expression becomes 0/0, and you get an indeterminate result.

In[2]:=  t /. x->0

Out[2]=

If you find the numerical value of  for  close to  , however, you get a result that is close to  .

In[3]:=  t /. x->0.01

Out[3]=

This finds the limit of  as  approaches  . The result is indeed  .

In[4]:=  Limit[t, x->0]

Out[4]=

Limit[expr, x-> ] the limit of expr as x approaches

Limits.


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