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Prove that root 5 is irrational number​

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<P>Answer:

then it must be in form of qp where, Q=0 ( p and q are co-prime)

P2 is divisible by 5.

So, p is divisible by 5.

So, q is divisible by 5.

Thus p and q have a COMMON factor of 5.

We have assumed p and q are co-prime but here they a common factor of 5.


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