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wildflower41001
wildflower41001
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$1.00 1/xsquared ysquared + 1/xycubed / 1/xcub

  • From Mathematics: Algebra
  • Closed, but you can still post tutorials
  • Due on Jul. 04, 2009
  • Asked on Jul 04, 2009 at 4:29:15PM
Q:
1/xsquared ysquared + 1/xycubed / 1/xcubed y -1/xy
 


   
   
   
   
 
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Posted by:
gallen765
gallen765
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$1.00 here is you answer

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  • Posted on Jul 04, 2009 at 4:55:04PM
A:
Preview: ... ula for factoring the sum of cubes:<br><br>x^3 + y^3 = (x+y)(x^2 - xy + y^2)<br><br>x+y=1 and x^2 + y^2 = 2, so:<br><br>x^3 + y^3 = (1)(x^2 + y^2 - xy) = 1(2 - xy) = 2 - xy<br><br>How do w ...

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sudipta
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$1.00 Correct answer

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  • Posted on Jul 04, 2009 at 5:05:45PM
A:
Preview: ... /(xy)<br>= 1/(x^3 y) - x^2 / (x^3 y)<br>= (1 - x^2)/(x^3 y)<br><br>So, [1/( ...

The full tutorial is about 58 words long .
   
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