Question

The point represented by the complex number 2 – i is rotated about origin through an angle of π/2. in the clockwise direction, the new position of point is
(a) 1 + 2i
(b) -1 – 2i
(c) 2 + i
(d) -1 + 2i​

Answer 1

Answer:option (b) -1 – 2i

refer attachment for solution.