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Questions  >>  EAMCET  >>  Mathematics
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$X=\begin {bmatrix} 3 & -4 \\ 1 & -1 \end{bmatrix}$;$X^n$ is equal to :

\[\begin {array} {1 1}(a)\;\begin {bmatrix} 3n & -4n \\ n & -n \end{bmatrix} \quad (b)\;\begin {bmatrix} 2+n & 5-n \\ n & -n \end{bmatrix} \\ (c)\;\begin {bmatrix} 3n & (-4)^n \\ n & (-1)^n \end{bmatrix} \quad (d)\;none\;of\;these \end{array}\]

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