Which of the following is the standard form for the
Chapter 0, Problem P.6.57(choose chapter or problem)
In Exercises 47–50, solve the problem without using a calculator.
Multiple Choice
Which of the following is the standard form for the product (2 + 3i)(2 - 3i)?
(A) -5 + 12i (B) 4 - 9i (C) 13 - 3i
(D) -5 (E) 13 + 0i
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