Answer variants:
can be expressed as p/q form
\(6 \sqrt{7} = \frac{p}{q}\)
irrational Number
composites
rational Number
cannot be expressed as p/q form
co-primes
\(\sqrt{7}\) is a rational
satisfies
\(\sqrt{7} = \frac{p}{6q}\)
contradicts
Let's prove 67 is an irrational number.
 
Now prove by contradiction method.
 
1. Assume 67 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, 67 is