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Answer variants:
\sqrt{19} = \frac{p}{7q}
\sqrt{19} is a rational
cannot be expressed as p/q form
can be expressed as p/q form
co-primes
7 \sqrt{19} = \frac{p}{q}
contradicts
composites
satisfies
irrational Number
rational Number
Let's prove 719 is an irrational number.
 
Now prove by contradiction method.
 
1. Assume 719 is a
2. By the definition,
3. And p and q are
4. So we can write it as
5. Simplifying the term,
6. This implies that,
7. This
 our assumption.
8. Thus, 719 is