Find the square roots of the following in cartesian form.
I think thats typed right.
I am not sure how to attempt it.
The example in my book is too simple and doesn't explain it properly.
You have to find two real numbers a and b such as
Square the left side member and we get . Then
You can add another equation to the system.
Then the system is
Find a and b from the first and the third equations. Then choose the signs for a and b such as the second equation is satisfyed.