to question no 38 of paper i of jee 2010 the key is ACD as per all the institutes but sri chiatanya has given the answer as ABCD can you please clarify and answer it for me ?Let Z1 and Z2 be two distinct complex numbers and let Z=......

Dear veluri

Correct answer is A,C,D

Arg(z-z1) = arg(z-z2) this is only possible if z lie outside the line segment z1 z2 .

but as given 0<t<1 so  z intersect the line segment z1 and z2 internally .so option B is not correct

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