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Please answer this question

Please answer this question-example-1

1 Answer

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Answer:

  • a = 3/2
  • b = -1/2

Explanation:


(√(5)-1)/(√(5)+1)=((√(5)-1)(√(5)-1))/((√(5)+1)(√(5)-1))\\\\=(5-2√(5)+1)/(5-1)=(6-2√(5))/(4)\\\\=(3)/(2)-(1)/(2)√(5)

Comparing this to the form a+b√5, we see that ...

a = 3/2

b = -1/2

User JohnathanKong
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