因式分解X^11-2X^10+X^9 算出来给我
问题描述:
因式分解X^11-2X^10+X^9 算出来给我
答
x^9(x-1)^2
答
原式=x^9(x-1)^2
答
=X^9(X^2-2X+1)
=X^9(X-1)(X-1)
答
=x^9(x²-2x+1)
=x^9(x-1)²
令它等于0,可得x=0或x=± 1