JEE Mains Model Paper 22

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Question : 77 of 90
 
Marks: +1, -0
Let z1,z2,z3 be three distinct non - zero complex numbers such that |
/z1//z2//z3/
/z2//z3//z1/
/z3//z1//z2/
|
= 0 and arg (
z1
z2
)
= λ arg (
z3−z1
z2−z1
)
then λ =
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