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If |z1 | = 1, |z2 | = 2, |z3 | = 3 and |9z1 z2 + 4z1 z3 + z2 z3 | = 12, then the value of |z1 + z2 + z3 | is equal to

+1 vote
in JEE by kratos

If |z1 | = 1, |z2 | = 2, |z3 | = 3 and |9z1 z2 + 4z1 z3 + z2 z3 | = 12, then the value of |z1 + z2 + z3 | is equal to

(A) 2

(B) 3

(C) 4

(D) 6

1 Answer

+4 votes
by kratos
 
Best answer

Correct option (A) 2

Explanation:

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