函数y=x^(1/m^2+m+1)(x∈R)的定义域为A.(-无穷,0) B.(0,+无穷) C.R D.(1,+无穷)

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函数y=x^(1/m^2+m+1)(x∈R)的定义域为A.(-无穷,0)B.(0,+无穷)C.RD.(1,+无穷)函数y=x^(1/m^2+m+1)(x∈R)的定义域为A.(-无穷,0)B.(0,+无

函数y=x^(1/m^2+m+1)(x∈R)的定义域为A.(-无穷,0) B.(0,+无穷) C.R D.(1,+无穷)
函数y=x^(1/m^2+m+1)(x∈R)的定义域为
A.(-无穷,0) B.(0,+无穷) C.R D.(1,+无穷)

函数y=x^(1/m^2+m+1)(x∈R)的定义域为A.(-无穷,0) B.(0,+无穷) C.R D.(1,+无穷)
定义域?楼主确定?!
题目中已经给了呀:x∈R.