Add 31−−√+31−−√ .
To add √31 + √31, you would combine the terms with the same radicals. Since the two terms have the same radical (√31), you can add their coefficients:
1√31 + 1√31 = 2√31
Therefore, 31−−√ + 31−−√ = 2√31.
To add 31-√+31-√, first find the values of each square root separately.
Starting with the first square root: √31.
Since 31 is not a perfect square, we can't simplify the square root any further.
Now, let's solve the second square root: √31.
Again, since 31 is not a perfect square, we can't simplify the square root.
Next, add the two square roots together: √31 + √31.
This is equivalent to 2√31.
So, the sum of 31-√ + 31-√ is 2√31.
To add two square roots, we need to simplify each square root individually and then combine them.
Let's simplify each square root first:
√31 = 5.57 (approximately)
Now, let's add the two simplified square roots:
5.57 + 5.57 = 11.14
So, the sum of 31−−√+31−−√ is approximately 11.14.