<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">Spočtěte délku křivky
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\centerline{$x=3t,\,y=3t^{2},\,z=2t^{3} $} od {$ (0,0,0) $} do {$ (3,3,2). $}</pre></body></html>