8 eur c im a im b 0 is a subspace of c q3 prove or disprove the set u
Question
= { [8] € C² : Im(a) = Im(b) = 0} is a subspace of C².
Q3. Prove or disprove: The set U =
[Recall that if z = x+iy is a complex number, with x, y € R, then the imaginary part of
z is defined to be Im(z) = y.]
