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Q.4. [1+1.5+1.5=4 Marks] What is the best curve of the form y = a + bx + cx2 in terms of minimizing square error

Q.4. [1+1.5+1.5=4 Marks] What is the best curve of the form y = a + bx + cx2 in terms of minimizing square error that fits the following training dataset (x, y): (-1, 0), (1, 10), (2, 20), (-2, 4)?

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