show that 5 root 2 is an irrational number
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very very easy
u should know it
u should know it
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As very one knows rational no. into irrational no. results to an irrational no.
Suppose that √2is a rational no. which implies √2=p/q and hcf of p and q is 1
....
which is a contradiction ...therefore our supposition is wrong hence √2 is irrrational no ......and as a result 5√2 is an irrational no.
Suppose that √2is a rational no. which implies √2=p/q and hcf of p and q is 1
....
which is a contradiction ...therefore our supposition is wrong hence √2 is irrrational no ......and as a result 5√2 is an irrational no.
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