<u>ANSWER: </u>
Seven square root three plus two square root nine is irrational and the value is 18.12
<u>SOLUTION:
</u>
Given, seven square root three plus two square root nine
= seven square root three + two square root nine
We know that, is irrational as it cannot be expressed as ratio of two integers.
Now, is also irrational, because sum of rational and irrational is always irrational.
Hence, seven square root three plus two square root nine is irrational.