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MertsjBest ResponseYou've already chosen the best response.5
How can you prove something that isn't true?
 2 years ago

ChrisSBest ResponseYou've already chosen the best response.0
right... any number squared is greater than 0. example let a=2 2^2=4 so a<0 and a^2>0
 2 years ago

CallistoBest ResponseYou've already chosen the best response.1
for any real number a^2>0 but \[\sqrt{a ^{2}}\] can be a or a
 2 years ago

CallistoBest ResponseYou've already chosen the best response.1
for complex number \[i ^{2}=1\] where \[i=\sqrt{1}\]
 2 years ago

CallistoBest ResponseYou've already chosen the best response.1
anyway that's not true
 2 years ago
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