如图,在直角坐标系中,函数y=k/x的图像,经过点A(1,2)、B(m,n),过点B作y轴的垂线,垂足为C.若三角形的面积为2.(k大于0,x大于0,m大于0)(1)求反比例函数解析式(2)求点B的坐标(3)若在此
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![如图,在直角坐标系中,函数y=k/x的图像,经过点A(1,2)、B(m,n),过点B作y轴的垂线,垂足为C.若三角形的面积为2.(k大于0,x大于0,m大于0)(1)求反比例函数解析式(2)求点B的坐标(3)若在此](/uploads/image/z/13201409-65-9.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E5%87%BD%E6%95%B0y%3Dk%2Fx%E7%9A%84%E5%9B%BE%E5%83%8F%2C%E7%BB%8F%E8%BF%87%E7%82%B9A%EF%BC%881%2C2%EF%BC%89%E3%80%81B%EF%BC%88m%2Cn%EF%BC%89%2C%E8%BF%87%E7%82%B9B%E4%BD%9Cy%E8%BD%B4%E7%9A%84%E5%9E%82%E7%BA%BF%2C%E5%9E%82%E8%B6%B3%E4%B8%BAC.%E8%8B%A5%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA2.%EF%BC%88k%E5%A4%A7%E4%BA%8E0%2Cx%E5%A4%A7%E4%BA%8E0%2Cm%E5%A4%A7%E4%BA%8E0%EF%BC%89%EF%BC%881%EF%BC%89%E6%B1%82%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0%E8%A7%A3%E6%9E%90%E5%BC%8F%EF%BC%882%EF%BC%89%E6%B1%82%E7%82%B9B%E7%9A%84%E5%9D%90%E6%A0%87%EF%BC%883%EF%BC%89%E8%8B%A5%E5%9C%A8%E6%AD%A4)
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