Posted by BC on Sunday, September 12, 2010 at 8:04pm.
Express in the form, a + bi: (11 + 4i) + (6 + 8i)
Answer
a. 5 + 12i
b. 5  12i
c. 3 + 10i
d. 7 + 14i

Math  Anonymous, Sunday, September 12, 2010 at 10:04pm
just add them up as you're adding
(11+4x) + (6+8x)