3. Suppose we have Conic described by 2nd-degree equation in the plane : 9y2 + 4x2 = 16 a. Find the Conic representation in projective plane P2 b. Calculate its tangent line at (0,4) in the projective plane and verify the result by comparing it to its Euclidean representation! c. Find and compare the answer with the classical approach through Calculus in Cartesian coordinate

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