Could this be simplified?

I am sorry but i am not a mathematician
Could this be simplified ?

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sorry but the link isn't working

fresh_42
Mentor
... or even one more step:
$$\dfrac{\sqrt{x^2+y^2}}{y}+1=1+\sqrt{\left(\dfrac{x}{y}\right)^2+1}$$
which gives a nice form with only one variable expression ##z:=\dfrac{x}{y}##.

PeroK
Tom.G