PLS DO PART B ONLY AND FULL DESCRIPTION OF EVERYTHING
a) Compute $x+y$ and $\sqrt{x^2+y^2}$ when $x=5$ and $y=12.$ b) When is \[x+y=\sqrt{x^2+y^2}?\]When is \[x+y\neq\sqrt{x^2+y^2}?\] Your Resp
It works when x >= 0 and y >= 0.
