Question

O mmc de : x²-2x+1;x²-1;2x²+2x

Answer 1

mmc(x²-2x+1, x²-1 , 2x²+2x) = ?
* x²-2x+1 = (x - 1)²
* x²-1 = (x + 1)(x - 1)
* 2x²+2x = 2x(x + 1)
Logo: mmc(x²-2x+1, x²-1, 2x²+2x) = 2x(x + 1)(x - 1)²