the normal to the curve 2y=3x^3-7x^2+4x,at the points O(0,0)and A(1,0),meet at the point N
题目
the normal to the curve 2y=3x^3-7x^2+4x,at the points O(0,0)and A(1,0),meet at the point N
find the coordinates of N calculate the area of triangle OAN
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