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<A NAME=RATIONALIZE>

<TITLE>RATIONALIZE</TITLE></A>
<b><a href=r37_idx.html>INDEX</a></b><p><p>



<B>RATIONALIZE</B> _ _ _  _ _ _  _ _ _  _ _ _ <B>switch</B><P>
<P>
 
 <P>
<P>
When the <em>rationalize</em> switch is on, denominators of rational expressions
 
that contain complex numbers or root expressions are simplified by 
multiplication by their conjugates. 
<P>
<P>
 <P> <H3> 
examples: </H3>
<P><PRE><TT>
qq := (1+sqrt(3))/(sqrt(3)-7); 

        SQRT(3) + 1
  QQ := ----------- 
        SQRT(3) - 7


on rationalize; 

qq; 

  - 4*SQRT(3) - 5
  --------------- 
        23


2/(4 + 6**(1/3)); 

   2/3      1/3
  6    - 4*6    + 16
  ------------------ 
          35


(i-1)/(i+3); 

  2*I - 1
  ------- 
     5


off rationalize; 

(i-1)/(i+3); 

  I - 1
  ------
  I + 3

</TT></PRE><P>