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OpenStudy (anonymous):
which of this is true? If is tru , why? and if is false , why? A. x=y <=>x^2=y^2 B. x/y = 0 => x=0 v y=0 c. x^2 x y^2 <=> X x Y =0
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OpenStudy (anonymous):
ist is true , 2nd is false, 3rd one is not that clear i.e what is capital X and Y, but i think 3rd is also false
OpenStudy (anonymous):
ok thanks
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