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  2. Topic
    Mathematics
  3. Study Set
    Elementary Intermediate Algebra
  4. Exam
    Exam 9: Radical Expressions and Equations
  5. Question
    Multiply the Conjugates\[( 5 - 2 i ) ( 5 + 2 i )\]
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Multiply the Conjugates (5−2i)(5+2i)( 5 - 2 i ) ( 5 + 2 i )(5−2i)(5+2i)

Question 69

Question 69

Multiple Choice

Multiply the conjugates.
- (5−2i) (5+2i) ( 5 - 2 i ) ( 5 + 2 i ) (5−2i) (5+2i)


A) 25+4i25 + 4 \mathrm { i }25+4i
B) 29
C) 21
D) 25−4i25 - 4 \mathrm { i }25−4i

Correct Answer:

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