题目：
0)\text{上任一点}M(x,y)\text{处的切线与}x\text{轴交于点}N\text{,且} \\
&\left|OM\right|=\left|ON|_{}^{},y(0)=1,y^{\prime}(x)>0,\text{求 }y=y(x).\right.
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01 + x ^ 2 , x le 0." data-width="202" data-height="53" data-size="4250" data-fo
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设y=y(x)满足方程 y=y(x) 0 ) " data-width="252" data-height="33" data-size="2950" data
函数(x)=(x)^2-2ln x, gt 00" data-width="213" data-height="28" data-size="2326" dat
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0, & t_(m)0. & " data-width="268" data-height="71" data-size="4643" data
两个质量相同,半径不等的均质圆盘（设_(1)gt (r)_(2)r_2" data-width="51" data-height="15" data-size=