已知(X-1)(X^2+AX+B)=X^3-6X^2+11X-B求A,B的值
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![已知(X-1)(X^2+AX+B)=X^3-6X^2+11X-B求A,B的值](/uploads/image/z/3985114-58-4.jpg?t=%E5%B7%B2%E7%9F%A5%28X-1%29%28X%5E2%2BAX%2BB%29%3DX%5E3-6X%5E2%2B11X-B%E6%B1%82A%2CB%E7%9A%84%E5%80%BC)
已知(X-1)(X^2+AX+B)=X^3-6X^2+11X-B求A,B的值
已知(X-1)(X^2+AX+B)=X^3-6X^2+11X-B求A,B的值
已知(X-1)(X^2+AX+B)=X^3-6X^2+11X-B求A,B的值
(X-1)(X^2+AX+B)=X^3+(A-1)*X^2+(B-A)*X-B=X^3-6X^2+11X-B
有 A-1=6 A=7 B-A=11 有 B=18