Home › AP EAPCET (Engineering) › Mathematics › Complex Numbers › What is the argument of the purely imaginary num…
What is the argument of the purely imaginary number i?
Aπ/2
B3π/2
Cπ
D0
Answer & Solution
Correct answer: A. π/2
The point i lies on the positive imaginary axis, a quarter turn from the positive real axis, so the angle is π/2.
Related questions
The argument of z is measured anticlockwise from which axis?How many distinct fifth roots does the number 1 have in the complex numbers?What is the multiplicative inverse of the imaginary unit i?A real-coefficient polynomial has 2 + 3i as a root. Which must also be a root?What are the roots of x^2 - 2x + 5 = 0?Which of these is a square root of -16 in the complex numbers?Evaluate (1 + i) raised to the fourth power.Find the modulus of (1 + i) raised to the eighth power.