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求分式(X^4-6X^3-2x²+18x+23)÷(x²-8x+15)的值
人气:331 ℃ 时间:2019-08-22 10:17:00
解答
(X^4-6X^3-2x²+18x+23)÷ ( x²-8x+15) = (x^2+2x-1)余(-20x+38)
即(X^4-6X^3-2x²+18x+23)=( x²-8x+15) *(x^2+2x-1)+( x²-8x+15) *(-20x+38)
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