Question bank/JEE Main/Mathematics
JEE MainMathematicsModerateComplex Numbers
If |z_1| = 1, |z_2| =2, |z_3| = 3 and |z_2z_3 +
4z_1z_3 + 9z_1z_2| = 12, then the value of |z_1+ z_2 + z_3|
equals
Show answer and solution
|z_1|^2 = 1 |z_2|^2 =4 |z_3|^2 = 9
Source: Grass-G / M-18 Mathematics Paper 27 Nov Third.docx
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