Add 28–√+38–√.
To add 28 - √ + 38 - √, we need to simplify the square roots first.
The square root of a number can be simplified if it's a perfect square. In this case, the square root of 28 is not a perfect square, while the square root of 38 is also not a perfect square.
So, we cannot combine the square roots further.
Now, we can add the whole numbers together: 28 + 38 = 66.
Thus, the simplified answer is 66 - √.
√31 + √31
To add √31 + √31, we can combine the like terms.
Since both terms have the same square root (√31), we can simply add their coefficients.
√31 + √31 = 2√31.
Therefore, the sum of √31 + √31 is 2√31.
To add 28–√+38–√, we need to add the numbers separately from their square roots.
First, let's add the numbers without their square roots:
28 + 38 = 66
Next, let's simplify the square roots:
√ = square root symbol
√ = square root symbol
Now let's add the square roots:
√ + √ = 2√
Finally, let's combine the two results:
66 + 2√
So, the sum of 28–√+38–√ is 66 + 2√.
To add the expression 28-√ + 38-√, we can combine the like terms and simplify.
First, let's deal with the square roots. √ means the square root, so we need to find the square root of the numbers inside the square root signs.
√28 can be simplified as follows:
√28 = √(4 * 7) = √4 * √7 = 2√7
Similarly, √38 can be simplified as follows:
√38 = √(2 * 19) = √2 * √19
Now we can rewrite our expression with the simplified square roots:
2√7 + √2 * √19
Since there are no like terms to combine, we cannot simplify this expression further. Thus, the final answer is 2√7 + √2 * √19.