Multiply $( 2 + 8 i )$ By Its Complex Conjugate and Simplify

question 25

Multiple Choice

Multiply $( 2 + 8 i )$ by its complex conjugate and simplify.

• A)68
• B) \(- 60\)
• C) \(10 + 8 i\)
• D) \(68 + 32 i\)
• E)10

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