Use an orthogonal transformation and a translation to express in standard form the curve given by the equation
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Originally Posted by matty888 Use an orthogonal transformation and a translation to express in standard form the curve given by the equation You will want to rotate the axes here. Then you want to pick a value for such that the x'y' term has a coefficient of 0. Then its just a matter of completing the square on x' and y'. -Dan
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