y=1/x²+2在点(1,3)处的切线,此切线的斜率为y'=-2/x³,还是y'=-2/x² ?此切线的斜率为y'=-2/x ³ ,还是y'=-2/x ² ?
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![y=1/x²+2在点(1,3)处的切线,此切线的斜率为y'=-2/x³,还是y'=-2/x² ?此切线的斜率为y'=-2/x ³ ,还是y'=-2/x ² ?](/uploads/image/z/11366407-55-7.jpg?t=y%3D1%2Fx%26%23178%3B%2B2%E5%9C%A8%E7%82%B9%EF%BC%881%2C3%EF%BC%89%E5%A4%84%E7%9A%84%E5%88%87%E7%BA%BF%2C%E6%AD%A4%E5%88%87%E7%BA%BF%E7%9A%84%E6%96%9C%E7%8E%87%E4%B8%BAy%27%3D-2%2Fx%26%23179%3B%2C%E8%BF%98%E6%98%AFy%27%3D-2%2Fx%26%23178%3B+%3F%E6%AD%A4%E5%88%87%E7%BA%BF%E7%9A%84%E6%96%9C%E7%8E%87%E4%B8%BAy%27%3D-2%2Fx+%26%23179%3B+%EF%BC%8C%E8%BF%98%E6%98%AFy%27%3D-2%2Fx+%26%23178%3B+%EF%BC%9F)
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y=1/x²+2在点(1,3)处的切线,此切线的斜率为y'=-2/x³,还是y'=-2/x² ?此切线的斜率为y'=-2/x ³ ,还是y'=-2/x ² ?
y=1/x²+2在点(1,3)处的切线,此切线的斜率为y'=-2/x³,还是y'=-2/x² ?
此切线的斜率为y'=-2/x ³ ,还是y'=-2/x ² ?
y=1/x²+2在点(1,3)处的切线,此切线的斜率为y'=-2/x³,还是y'=-2/x² ?此切线的斜率为y'=-2/x ³ ,还是y'=-2/x ² ?
是-2/x ³.