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[" Let "z_(1),z_(2),z,in C" (set of complex numbers) and "z_(1)+z_(2)+z_(3)=0" and "|z_(1)|=|z_(2)|=|z_(3)|=2" then the "],[" value of "|z_(1)^(2)+2z_(2)^(2)+z_(3)^(2)|" equals "],[[" A) "4," B) "8," C) "12," D) "16]]

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