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There exists a constant \(k\) so that the minimum value of \(4x^2 - 6kxy + (3k^2 + 2) y^2 - 4x - 4y + 6\) over all real numbers \(x\)  and \(y\) is 0. Find \(k.\)

 Apr 19, 2019
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The answer is k = 5.

 Nov 29, 2019

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