If p is a prime no.,then prove that √p is a irrational no.

1.	If p is a prime no.,then prove that √p is a irrational no.
Answer» Let us assume that rootp is irrational number Therefore rootp =a/ba=b×rootp a is rational number Therefore b×rootp is also rational number But rootp is irrational number Therefore rootp is also irrational number

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