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QUESTION
By writing x − 6x + k 2 in the form of the sum of a square and a positive, find the values of k so that x − 6x + k 2 is positive for all x.
By writing x − 6x + k 2 in the form of the sum of a square and a positive, find the values of k so that x − 6x + k 2 is positive for all x.
