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

Question 229

Question 229

Multiple Choice

Multiply the conjugates.
- (9+5) (9−5) ( 9 + \sqrt { 5 } ) ( 9 - \sqrt { 5 } ) (9+5​) (9−5​)


A) 86−18586 - 18 \sqrt { 5 }86−185​
B) 86+18586 + 18 \sqrt { 5 }86+185​
C) 86
D) 76

Correct Answer:

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