Question

13. Prove that
3+2√5 is irrational​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Let us assume

3+2√5 =a/b (a,b are coprime, b is not equal to 0)

2√5=a/b+3

2√5=a+3b/b

√5=a+3b/2b

irrational is not equal to rational

LHS NOT EQUAL TO RHS

therefore 3+2√5 is irrational.

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