State that how 5√2=√50?
2 Answers
By the law of surds:
Explanation:
This style question is that of surds.
We know
So in the form
We need to find what a is
By rearranging the question we can find
To get a on its own we square both sides of the equations to give;
Therefore
Therefore
Furthermore to simplify
See below:
Explanation:
Let's start with
We can rewrite
We know
What I have in blue can be simplified, and we're left with
We were able to do this because
Hope this helps!