Zad.1.2
A = {x: x=3n i n∈{0,1,2,3,4} } - {0,3,6,9,12}
B = {x: x=5k i k∈{...,-2,-1,0,1} } - {...,-10,-5,0,5}
C = {x: x=[tex]a\sqrt{8} + \sqrt{2}[/tex] i a∈{-4,-1,[tex]\frac{-1}{2}[/tex],[tex]\sqrt{2}[/tex],7} } - {[tex]-4\sqrt{8} + \sqrt{2} ,-1\sqrt{8} + \sqrt{2}, \frac{-1}{2} \sqrt{8} + \sqrt{2} ,\sqrt{2} \sqrt{8} + \sqrt{2} ,7\sqrt{8} + \sqrt{2}[/tex]}
D = {x: x = [tex]k\pi -\pi ^{2}[/tex] i k∈{[tex]0,\pi ,2\pi ,3\pi ,...[/tex]} } - {[tex]-x^{\pi } ,0, \pi^{2},2\pi ^{2},...[/tex]}