This qs is wrong
Plz refer this for the correct qs
http://targetiit.com/iit-jee-forum/posts/sft-p-1-comprehension-14594.html
2) If arg(z4-z5/Z-Z5) = arg(z-z3/z4-z3) = 7∩/30 , then the value of arg(z5-Z1/z-z1) is equal to
A) ∩/4 B) 7∩/30
C) 4∩/15 D) ∩/3
This qs is wrong
Plz refer this for the correct qs
http://targetiit.com/iit-jee-forum/posts/sft-p-1-comprehension-14594.html