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OpenStudy (anonymous):
if a^2+b^2=8and (a-b)^2=4,what is the value of ab
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myininaya (myininaya):
(a-b)^2=a^2-2ab+b^2=a^2+b^2-2ab=8-2ab=4 8-2ab=4 -2ab=-4 ab=2
OpenStudy (anonymous):
at least give a meda iman :)
myininaya (myininaya):
medal party!
OpenStudy (anonymous):
yup...lolx
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OpenStudy (anonymous):
you guys are too fast! lolol
myininaya (myininaya):
joe i need your help if you can
OpenStudy (anonymous):
whats up?
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