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[主观题]
设曲线y=y(x)由参数方程确定,则曲线y=y(x)在点(3,y(3))处的法线与0x轴交点的横坐标是().A.1/8
设曲线y=y(x)由参数方程确定,则曲线y=y(x)在点(3,y(3))处的法线与0x轴交点的横坐标是().A.1/8
设曲线y=y(x)由参数方程确定,则曲线y=y(x)在点(3,y(3))处的法线与0x轴交点的横坐标是().
A.1/8In2+3
B.-1/8ln2+3
C.-8ln2+3
D.8ln2+3
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