JEE Main 2023 Mathematics question

MathematicsComplex NumbersJEE Main 2023

Let be the point obtained by the rotation of = 5 + 4i about the origin through a right angle in the anticlockwise direction, and be the point obtained by the rotation of = 3 + 5i about the origin through a right angle in the clockwise direction. Then the principal argument of is equal to :

Answer: (A)

Solution

Question ID VK-036070