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
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![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](/uploads/image/z/2115629-53-9.jpg?t=%E5%B7%B2%E7%9F%A5%E5%B9%82%E5%87%BD%E6%95%B0f%28x%29%3D%28m%26%23178%3B-3m%2B%2B3%29x%5E%28m%26%23178%3B-m-1%29%E7%9A%84%E5%9B%BE%E8%B1%A1%E4%B8%8D%E7%BB%8F%E8%BF%87%E5%8E%9F%E7%82%B9%2C%E5%88%99m%3D%E3%80%90+%E3%80%91A.3B.1%E6%88%962C.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