已知多项式-3x^3y^(m+1)+xy^3+n-1x^2y^2-4是六次三项式,求(m+1)^2n-3的值
问题描述:
已知多项式-3x^3y^(m+1)+xy^3+n-1x^2y^2-4是六次三项式,求(m+1)^2n-3的值
答
3 + (m+1) = 6 ==> m = 2 n - 1 = 0 ==> n = 1 (m+1)^2n -3 = (2 +1)^(2 * 1) - 3 = 3^2 - 3 = 9 - 3 = 6