QUIZ 1.3A
1. | 3 + 4i | =
(a) 3 - 4i ; (b) 5 ; (c) 25 .
2. If z = , then z is
(a) Real ; (b) Imaginary ; (c) Neither .
3. = . .
(a) True ; (b) False .
4. | z1 + z2 | ? | z1 | + | z2 |.
(a) ; (b) .
Notes