1.

If z_1 , z_2, z_3 are complex numbers such that |z_1|= |z_2| = |z_3|= |(1)/(z_1) + (1)/(z_2) + (1)/(z_3)|=1, then [ (1+ i)^(n_1) + (1-i)^(n_1)] + [ (1+ i)^(n_2) + (1-i)^(n_2)] is

Answer»

EQUAL to 1
less than one
greater than 3
equal to 3

Answer :A


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