(x^2n+1)+(y^2n+1)能被______整除?A.x-y B.x+y C.x^3+y^3 D.x^3-y^3急

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(x^2n+1)+(y^2n+1)能被______整除?A.x-yB.x+yC.x^3+y^3D.x^3-y^3急(x^2n+1)+(y^2n+1)能被______整除?A.x-yB.x+yC.x^3

(x^2n+1)+(y^2n+1)能被______整除?A.x-y B.x+y C.x^3+y^3 D.x^3-y^3急
(x^2n+1)+(y^2n+1)能被______整除?A.x-y B.x+y C.x^3+y^3 D.x^3-y^3

(x^2n+1)+(y^2n+1)能被______整除?A.x-y B.x+y C.x^3+y^3 D.x^3-y^3急
选择B.
由于是选择题,所以可取n=1,当n=1时,由立方和公式可知可以被x+y整除.