计算(x+y)(x-y)(x+y)3次方(x-y)5次方
来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/09/25 23:23:33
计算(x+y)(x-y)(x+y)3次方(x-y)5次方
计算(x+y)×(x-y)×(x+y)3次方×(x-y)5次方
计算(x+y)×(x-y)×(x+y)3次方×(x-y)5次方
= (x+y)^4 * (x-y)^6 = (x^2-y^2)^4 * (x-y)^2
= x^10 - 2*(x^9) - 5*(x^8 * y^2) + 8 * (x^7 * y^3) + 2*(x^6 * y^4) - 12*(x^5 * y^5) + 2*(x^4 * y^6) + 8*(x^3 * y^7) -3*(x^2 * y^8) -2*(x * y^9) + y^16
= x^10 - 2*(x^9) - 5*(x^8 * y^2) + 8 * (x^7 * y^3) + 2*(x^6 * y^4) - 12*(x^5 * y^5) + 2*(x^4 * y^6) + 8*(x^3 * y^7) -3*(x^2 * y^8) -2*(x * y^9) + y^16
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