We have to prove that 
is irrational. We can prove this statement by contradiction.
Let us assume that is a rational number. Therefore, we can express:
Let us represent this equation as:
Upon squaring both the sides:
Since a has been assumed to be rational, therefore, 
must as well be rational.
But we know that 
is irrational, therefore, from equation 
the expression must be irrational, which contradicts with our claim.
Therefore, by contradiction, is irrational.
Answer:
Step-by-step explanation:
Let s be the number of students in each of 6 buses. Then there are 6s students in all buses.
Five of the students ride in a van. In total, in a van and in buses there are 
students.
There are 221 students on a filed trip. So,
Answer:
use division for the numbers.
Step-by-step explanation:
Go to mathpapa.com 25q^(2)-5q
