已知幂函数f(x)=(m²-3m++3)x^(m²-m-1)的图象不经过原点,则m=【 】A.3B.1或2C.2D.1

已知幂函数f(x)=(m²-3m++3)x^(m²-m-1)的图象不经过原点,则m=【 】A.3B.1或2C.2D.1
已知幂函数f(x)=(m²-3m++3)x^(m²-m-1)的图象不经过原点,则m=【 】
A.3
B.1或2
C.2
D.1

已知幂函数f(x)=(m²-3m++3)x^(m²-m-1)的图象不经过原点,则m=【 】A.3B.1或2C.2D.1
由条件知
m²-3m+3=1 ①
且m²-m-1