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

Question 308238: What is the product of the complex # (3+i) and (3-i)
Found 2 solutions by ichudov, Alan3354:
Answer by ichudov(507) (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) (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

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