1
IIT-JEE 2010 Paper 1 Offline
MCQ (More than One Correct Answer)
+3
-0
Let $z_1$ and $z_2$ be two distinct complex numbers let $z=(1-t) z_1+t z_2$ for some real number t with $0 < t < 1$.
If $\operatorname{Arg}(w)$ denotes the principal argument of a nonzero complex number $w$, then :
2
IIT-JEE 1998
MCQ (More than One Correct Answer)
+2
-0.5
If $$\,\left| {\matrix{
{6i} & { - 3i} & 1 \cr
4 & {3i} & { - 1} \cr
{20} & 3 & i \cr
} } \right| = x + iy$$ , then
3
IIT-JEE 1998
MCQ (More than One Correct Answer)
+2
-0.5
The value of the sum $$\,\,\sum\limits_{n = 1}^{13} {({i^n}} + {i^{n + 1}})$$ , where i = $$\sqrt { - 1} $$, equals
4
IIT-JEE 1998
MCQ (More than One Correct Answer)
+2
-0.5
If $${\omega}$$ is an imaginary cube root of unity, then $${(1\, + \omega \, - {\omega ^2})^7}$$ equals
Questions Asked from Complex Numbers (MCQ (Multiple Correct Answer))
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