Question

$prove \: that \: \frac{1}{ \sqrt{11} } \: is \: an \: irrational \: number$
​

Answer 1

So that 1/√11 can be written as p/q, where p, q are coprime integers and q ≠ 0. Here it creates a contradiction that, the LHS p/q is rational while the RHS √11 is irrational