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What is the rule that you can use to calculate (√x - √y)ˆ2

 Jul 25, 2015

Best Answer 

 #1
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(ab)2=a22ab+b2so(xy)2=(x)22xy+(y)2=x2xy+y=x+y2xy

.
 Jul 25, 2015
 #1
avatar+118696 
+5
Best Answer

(ab)2=a22ab+b2so(xy)2=(x)22xy+(y)2=x2xy+y=x+y2xy

Melody Jul 25, 2015

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