[" 4) "x+y+z=6" ant "x^(2)+y^(2)+z^(2)=2...

[" 4) "x+y+z=6" ant "x^(2)+y^(2)+z^(2)=20quad vec 8|vec " th "],[x^(3)+y^(3)+z^(3)-3xyz" wh HIT "quad " att "quad " gith? "],[[" (a) "64," (b) "70," (c) "72," (d) "76]]

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[" 4) "x+y+z=6" ant "x^(2)+y^(2)+z^(2)=20quad vec 8|vec " th "],[x^(3)...
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