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[" 25.If "k sqrt(-.1)" is a root of the ...

[" 25.If "k sqrt(-.1)" is a root of the equation "x^(4)+6x^(3)-16x^(2)+24x-80=0" then "k=],[[" 1) "+-1," 3) "+-2," 3) "+-3," 4) "+-4]]

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