1.

Let α be a root of the equation x2+x+1=0 and the matrixA=1√3 ⎡⎢⎣1111αα21α2α4⎤⎥⎦, then the matrix A31 is equal to

Answer»

Let α be a root of the equation x2+x+1=0 and the matrix

A=13 1111αα21α2α4, then the matrix A31 is equal to



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