Let a be a real number. In complex numbers, $$\frac { 1 - a i } { a - i } = i$$ the equality is given. Accordingly, what is a? A) 4 B) 3 C) 2 D) 1 E) 0
Let a be a real number. In complex numbers,
$$\frac { 1 - a i } { a - i } = i$$
the equality is given.
Accordingly, what is a?
A) 4
B) 3
C) 2
D) 1
E) 0