Question

Prove that 3+2√5 is an irrational number... ​

Answer 1

Answer:

let 3+2 root5 = rational

Step-by-step explanation:

so,  x=3+2 root5

so,  x-3=2  root5

so, x-3/2=root5 is rational

but root 5 is irrational

therefore our assumption is wrong

therefore it is irrational

Answer 2

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