Explain
the circumstances under which a square can be equal to a
negative number.
4.
State
the values of the aand
b components
of a
+ bi
form for each complex number. State whether
the value is the real part or the imaginary part of the
number:
a) 3 - 2i
b) -2 - i
c) 3i
d) 0 + 0i
e) -7 - 4i
5.
Write the following numbers in standard a + bi
form.
