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2. Find the equation of the tangent line to xy = 4y + 9x? at (4, -2v3). (8 points)

2. Find the equation of the tangent line to x2y2 = 4y2 + 9x2 at (4, -2?3). (8 points)

2. Find the equation of the tangent line to xy = 4y + 9x? at (4, -2v3). (8 points)

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