已知多项式-1/5x^2y^m+1/2xy^2-1/4x^3+3是五次四项式,单项式-5x^2ny^6-m的次数与这个多项式的次数相同求m^2+n^2的值.
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![已知多项式-1/5x^2y^m+1/2xy^2-1/4x^3+3是五次四项式,单项式-5x^2ny^6-m的次数与这个多项式的次数相同求m^2+n^2的值.](/uploads/image/z/3755749-13-9.jpg?t=%E5%B7%B2%E7%9F%A5%E5%A4%9A%E9%A1%B9%E5%BC%8F-1%2F5x%5E2y%5Em%2B1%2F2xy%5E2-1%2F4x%5E3%2B3%E6%98%AF%E4%BA%94%E6%AC%A1%E5%9B%9B%E9%A1%B9%E5%BC%8F%2C%E5%8D%95%E9%A1%B9%E5%BC%8F-5x%5E2ny%5E6-m%E7%9A%84%E6%AC%A1%E6%95%B0%E4%B8%8E%E8%BF%99%E4%B8%AA%E5%A4%9A%E9%A1%B9%E5%BC%8F%E7%9A%84%E6%AC%A1%E6%95%B0%E7%9B%B8%E5%90%8C%E6%B1%82m%5E2%2Bn%5E2%E7%9A%84%E5%80%BC.)
已知多项式-1/5x^2y^m+1/2xy^2-1/4x^3+3是五次四项式,单项式-5x^2ny^6-m的次数与这个多项式的次数相同求m^2+n^2的值.
已知多项式-1/5x^2y^m+1/2xy^2-1/4x^3+3是五次四项式,单项式-5x^2ny^6-m的次数与这个多项式的次数相同
求m^2+n^2的值.
已知多项式-1/5x^2y^m+1/2xy^2-1/4x^3+3是五次四项式,单项式-5x^2ny^6-m的次数与这个多项式的次数相同求m^2+n^2的值.
由题意有m=3,n=1 m^2+n^2=10