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Masha
Masha
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help with math question
Masha
posted a topic in
GRE Math
For all numbers x and y, the operation ัis defined by x ั y = (x+y)*(x-y) + (y-x)*(y+x) +x*y. What is the value of (sqrt12)ั(sqrt3)? A 6 why is the answer 6?
September 21, 2017
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answer
gre math
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gre math
sqrt12фsqrt3
x+-y
y-+x
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