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2. Find the point on the curve x2 + y2 = 9 that is a minimum distance from the point (1, 2).
3. Find If y = log3(2x3 + 4x2).
4. What curve is represented by x = 2t3 and y = 4t9?
5. Find .
7. What is the equation of the line normal to the curve y = x3 + 2x2 - 5x + 7 at x = 1 ?
9. If cos2x + sin2y = y, then .
10. If f(x) = e3x, then f′′(ln3) =