ax^2-a与多项式x^2-2x+1的公因式是_______.

问题描述:

ax^2-a与多项式x^2-2x+1的公因式是_______.

ax^2-a与多项式x^2-2x+1的公因式是__x-1_____.什么意思?ax^2-a=a(x²-1)=a(x+1)(x-1)x²-2x+1=(x-1)²∴公因式是x-1