在椭圆x^2/9 + y^2/4 =1上求一点M,使得点M到直线x+2y-10=0的距离最小,并求出最小距离直接用普通方程求解,不用参数方程
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![在椭圆x^2/9 + y^2/4 =1上求一点M,使得点M到直线x+2y-10=0的距离最小,并求出最小距离直接用普通方程求解,不用参数方程](/uploads/image/z/4355662-22-2.jpg?t=%E5%9C%A8%E6%A4%AD%E5%9C%86x%5E2%2F9+%2B+y%5E2%2F4+%3D1%E4%B8%8A%E6%B1%82%E4%B8%80%E7%82%B9M%2C%E4%BD%BF%E5%BE%97%E7%82%B9M%E5%88%B0%E7%9B%B4%E7%BA%BFx%2B2y-10%3D0%E7%9A%84%E8%B7%9D%E7%A6%BB%E6%9C%80%E5%B0%8F%2C%E5%B9%B6%E6%B1%82%E5%87%BA%E6%9C%80%E5%B0%8F%E8%B7%9D%E7%A6%BB%E7%9B%B4%E6%8E%A5%E7%94%A8%E6%99%AE%E9%80%9A%E6%96%B9%E7%A8%8B%E6%B1%82%E8%A7%A3%2C%E4%B8%8D%E7%94%A8%E5%8F%82%E6%95%B0%E6%96%B9%E7%A8%8B)
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