How do you simplify #sqrt441#?
2 Answers
Apr 11, 2016
Explanation:
Using the fact that for
Apr 11, 2016
21
Explanation:
Let's have a look at some of the factors of 441:
and (among others)
Recall that a square number is a number multiplied by itself once.
We can then say that
Again, recall that:
Therefore, we can rewrite our above problem as:
Therefore: 21.