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[" (a) "-1quad " (b) "1," (c) "-5," (d) "30],[" 3.If "alpha,beta" are the zeros of "kx^(2)-2x+3k" such that "alpha+beta=alpha beta" then "k=?],[" (a) "(1)/(0)," (b) "(-1)/(2)," (c) "(2)/(3)," (d) "(-2)/(3)]

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