1
IIT-JEE 2001 Screening
MCQ (Single Correct Answer)
+2
-0.5
The complex numbers $${z_1},\,{z_2}$$ and $${z_3}$$ satisfying $${{{z_1} - {z_3}} \over {{z_2} - {z_3}}} = {{1 - i\sqrt 3 } \over 2}\,$$ are the vertices of a triangle which is
2
IIT-JEE 2001 Screening
MCQ (Single Correct Answer)
+2
-0.5
Let $${z_1}$$ and $${z_2}$$ be $${n^{th}}$$ roots of unity which subtend a right angle at the origin. Then $$n$$ must be of the form
3
IIT-JEE 2000 Screening
MCQ (Single Correct Answer)
+2
-0.5
If $${z_1},\,{z_2}$$ and $${z_3}$$ are complex numbers such that $$\left| {{z_1}} \right| = \left| {{z_2}} \right| = \left| {{z_3}} \right| = \left| {{1 \over {{z_1}}} + {1 \over {{z_2}}} + {1 \over {{z_3}}}} \right| = 1,$$ then $$\left| {{z_1} + {z_2} + {z_3}} \right|$$ is
4
IIT-JEE 2000 Screening
MCQ (Single Correct Answer)
+2
-0.5
If $$\arg \left( z \right) < 0,$$ then $$\arg \left( { - z} \right) - \arg \left( z \right) = $$
Questions Asked from Complex Numbers (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
JEE Advanced 2023 Paper 1 Online (1)
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IIT-JEE 2004 Screening (1)
IIT-JEE 2003 Screening (1)
IIT-JEE 2002 Screening (1)
IIT-JEE 2002 (1)
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IIT-JEE 2000 Screening (2)
IIT-JEE 1999 (1)
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IIT-JEE 1995 Screening (3)
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IIT-JEE 1983 (2)
IIT-JEE 1982 (2)
IIT-JEE 1981 (1)
IIT-JEE 1980 (1)
IIT-JEE 1979 (1)
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