SOLUTION: What is the product of the complex # (3+i) and (3-i)

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Question 308238: What is the product of the complex # (3+i) and (3-i)
Found 2 solutions by ichudov, Alan3354:
Answer by ichudov(507) About Me  (Show Source):
You can put this solution on YOUR website!
Solved by pluggable solver: ARITHMETIC on Complex Numbers
6 +0i.


Solution:Addition of two complex numbers a + bi
and c+di is done according to formula:



(a + bi) + (c+di) = (a+c) + (b+d)i.


In our case, .

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
What is the product of the complex # (3+i) and (3-i)
----------------------
= 3^2 + i^2 + 3i - 3i
= 9-1
= 8