1.(x-1)(X^2-x+1)(x^3-x^2+x+1)= 2.(x+by+c)(dx+ey+f)=x^2+3xy+2y^2+4x+5y+3,则b=___ ,c=____ ,d=__ ,e=____ ,f=____ .3.我们知道乘方的定义是a^n=a*a****a(n个a),n是正整数,请你据此证明:a^n * a^m=a^(n+m) ,(ab)^n=a^n * b^m ; (
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![1.(x-1)(X^2-x+1)(x^3-x^2+x+1)= 2.(x+by+c)(dx+ey+f)=x^2+3xy+2y^2+4x+5y+3,则b=___ ,c=____ ,d=__ ,e=____ ,f=____ .3.我们知道乘方的定义是a^n=a*a****a(n个a),n是正整数,请你据此证明:a^n * a^m=a^(n+m) ,(ab)^n=a^n * b^m ; (](/uploads/image/z/2548924-52-4.jpg?t=1.%EF%BC%88x-1%EF%BC%89%28X%5E2-x%2B1%29%EF%BC%88x%5E3-x%5E2%2Bx%2B1%EF%BC%89%3D+2.%28x%2Bby%2Bc%29%28dx%2Bey%2Bf%29%3Dx%5E2%2B3xy%2B2y%5E2%2B4x%2B5y%2B3%2C%E5%88%99b%3D___+%2Cc%3D____+%2Cd%3D__+%2Ce%3D____+%2Cf%3D____+.3.%E6%88%91%E4%BB%AC%E7%9F%A5%E9%81%93%E4%B9%98%E6%96%B9%E7%9A%84%E5%AE%9A%E4%B9%89%E6%98%AFa%5En%3Da%2Aa%2A%2A%2A%2Aa%EF%BC%88n%E4%B8%AAa%EF%BC%89%2Cn%E6%98%AF%E6%AD%A3%E6%95%B4%E6%95%B0%2C%E8%AF%B7%E4%BD%A0%E6%8D%AE%E6%AD%A4%E8%AF%81%E6%98%8E%EF%BC%9Aa%5En+%2A+a%5Em%3Da%5E%28n%2Bm%29+%2C%28ab%29%5En%3Da%5En+%2A+b%5Em+%3B+%28)
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