MockTests.ORG Sign in

Algebra Complex Numbers Mock Tests

9 questions available

Algebra Complex Numbers Mock Test 1

Questions: 9

Sample Questions

JEE Advanced Mathematics
If z is a complex number such that |z| = 1 and z = e^(iθ) with 0 < θ < pi, then the argument of (z - 1)/(z + 1) is equal to:
A pi/2
B pi - theta
C theta
D theta/2
JEE Advanced Mathematics
Let z be a complex number such that |z − 1| = 1 and z ≠ 0. If z^6 = z̅^6, then the smallest positive integer n such that z^n is real for all such z is:
A 3
B 2
C 4
D 6
JEE Advanced Mathematics
Let ω be a complex cube root of unity with ω ≠ 1. If (2 + ω)(2 + ω²) = 3^k, then k equals:
A 1
B 2
C 3
D 0
JEE Advanced Mathematics
Let z be a complex number such that |z| = 1 and z ≠ ±1. If the equation z^n = (z̅)^n has exactly 6 distinct solutions for z, then the smallest positive integer n is:
A 3
B 5
C 7
D 4
JEE Advanced Mathematics
Let z be a complex number satisfying |z - 1| = 1 and Re(z²) = 0. The number of such complex numbers z is
A 1
B 2
C 4
D 3
JEE Advanced Mathematics
Let z be a complex number such that |z| = 1 and arg(z) in [0, 2pi). The number of distinct values of z satisfying z^6 + z^3 + 1 = 0 is
A 6
B 4
C 5
D 3
JEE Advanced Mathematics
The number of distinct complex numbers z satisfying z¹² = 1 and Re(z) > 0 is:
A 5
B 6
C 4
D 7
JEE Advanced Mathematics
The locus of a complex number z satisfying |z - 1| = |z + 1| is:
A The imaginary axis
B The real axis
C The line y = x
D The line y = -x

Comments

0/2000

No comments yet. Be the first to share your thoughts!