Question

What is the sum of the integers between `-sqrt13` and `sqrt39`?

Answer 1

15

Explanation:

`-sqrt(13) ~= -3.6`

`sqrt(39) ~= 6.2`

Hence the integers between `-sqrt(13)` and `sqrt(39)` are:

`-3, -2, -1, 0, 1, 2, 3, 4,5,6`

And the sum of these integers is: `4+5+6 = 15`