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Class XI Maths Complex Numbers and Quadratic Equations Quiz 1
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Question 1
If z1, z2, z3 be three non-zero complex number, such that z2 ≠ z1, a =|z1|,b =|z2| and c =|z3| suppose that , then is equal to
Question 2
If |z – 25i|≤ 15, then | max.arg(z) – min. arg(z)| =
Question 3
The set of all α ∈ R, for which is a purely imaginary number, for all z ∈ C satisfying |z| = 1 and Re z ≠ 1, is :
Question 4
If (z≠-i) is a purely imaginary number, then z. is equal to
Question 5
If α and β are different complex numbers with |β| = 1, then is equal to
Question 6
Modulus of complex number 4 – 3i is?
Question 7
Let z and be complex numbers such that +i= then arg z=
Question 8
If |z1|=|z2|and arg (z1/ z2)= then z1+ z2 equals to
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Jul 12JEE & BITSAT