{z^2: z = x+iy, x>0, y>0}(adsbygoogle = window.adsbygoogle || []).push({});

i am a lil confused about the notation to represent the set ...

i'm used to seeing {z: z = x+iy, x>0, y>0}

but what effect does squaring z have?

i thought the set was open simply because x>0 and y>0 ... but apprently i was wrong ... (or maybe not?) ... i dunno ... i need to know what squaring that z means

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# Openset / closedset / connected

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