Answered

P(x)=x³+ax²-2x+b-1 polinomunun x-1 ile bölümünden kalan -1 ise x+1 ile bölümünden kalan nedir? 

Sagot :

x-1=0

x=1

 

P(1)=-1

 

P(1)=1[küp]+a1[kare]+b-1=-1

      =1+a+b-1=-1

       a+b=-1

 

x+1=0

x=-1

 

P(-1)=?

 

P(-1)=-1[küp]+a(-1)[kare]-2.(-1)+b-1

        =-1+a+2+b-1

        =-1+2-1+a+b

        =a+b=-1

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