Oblicz:
(x²+1)(x+1)(x-1) = (x²+1)*(x²-1)= x⁴-1
[x²+1][x+1][x-1]=[x²+1][x²-1]=x⁴-x²+x²-1=x⁴-1
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(x²+1)(x+1)(x-1) = (x²+1)*(x²-1)= x⁴-1
[x²+1][x+1][x-1]=[x²+1][x²-1]=x⁴-x²+x²-1=x⁴-1