add √31 + √31

The sum of √31 + √31 is equal to 2√31.

To add √31 + √31, you first recognize that both terms have the same radicand, which is 31.

Therefore, you can simplify the expression by combining the two terms.

√31 + √31 can be rewritten as 2√31 since both terms have the same radicand and are being added.

So, the simplified expression is 2√31.

To add the square roots of 31, we first simplify each square root if possible. However, the square root of 31 cannot be simplified any further. Therefore, the addition of √31 + √31 is simply 2√31.