atorr1624
atorr1624
01-02-2018
Mathematics
contestada
how did they get this
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TheAakash
TheAakash
01-02-2018
Somewhere in the text, it must say that x = 2 and y = -1 or else, the values just seem made up out of thin air.
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AL2006
AL2006
01-02-2018
It's only true if x=2 and y= -1 .
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