Wykonaj działanie.
1 przez x^2-1 odejmowanie 1 przez 3x-3
1/x^2-1 - 1/3x-3=1/(x-1)(x+1) - 1/3(x-1) =
3/3(x-1)(x+1) - (x+1)/3(x-1)(x+1)=[3-(x+1)] / [3(x^2-1)]=
=[3-x-1]/[3x^2-3]=-x+2 /3x^2-3
1/x²-1 - 1/3x-3 = 1/(x-1)(x+1) * 3 - 1/3(x-1) *(x+1) = 3/3(x-1)(x+1)- x+1/3(x-1)(x+1)= (3-x-1)/3(x-1)(x+1)=(-x+2)/3(x²-1)
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1/x^2-1 - 1/3x-3=1/(x-1)(x+1) - 1/3(x-1) =
3/3(x-1)(x+1) - (x+1)/3(x-1)(x+1)=[3-(x+1)] / [3(x^2-1)]=
=[3-x-1]/[3x^2-3]=-x+2 /3x^2-3
1/x²-1 - 1/3x-3 = 1/(x-1)(x+1) * 3 - 1/3(x-1) *(x+1) = 3/3(x-1)(x+1)- x+1/3(x-1)(x+1)= (3-x-1)/3(x-1)(x+1)=(-x+2)/3(x²-1)