prove that 3+2 root 5 is irrational
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let it be a rational number then 3+2root5=p/q,
3+2q=root5p
3+2/p=root5/q
q is divisible by root 5 but root 5 is a irrational number
this confusion has took place because we have taken it as a rational so it is irrational number
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