Question

Rozszerz wyrażenia wymierne

Answer 1

A)x/(x-1) = x/(x-1) * 5(x+1)/5(x+1) = 5x(x+1)/5(x-1)(x+1) = (5x²+5x)/(5x²-5)
b)x/(x-1) = x/(x-1) * (x²+x+1)/(x²+x+1) = (x³+x²+x)/(x³-1)
c)x/(x-1) = x/(x-1) * 2(x-1)/2(x-1) = 2x(x-1)/2(x-1)²=(2x²-2)/(2x²-4x+2)