Question

prove that 3+2✓5 is irrational​

Answer 1

See similar question........

prove that 3+2 root 5 is irrational

https://brainly.in/question/3179106?utm_source=android&utm_medium=share&utm_campaign=question

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Answer 2

Answer:

assume that 3+2√5 is rational

3+2√5=a/b

2√5=a/b-3

2√3=a-3b/b

√3=a-3b/2b

therefore a-3b/2b is rational

but √3 is irrational

by contradiction,

3+2√3 is irrational

I hope you understand

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