12th Class Mathematics Sample Paper Maths Olympiad Model Paper-6

  • question_answer
    If \[A=\left[ \begin{matrix}    1 & 0  \\    1 & 1  \\ \end{matrix} \right]\] and \[I=\left[ \begin{matrix}    1 & 0  \\    0 & 1  \\ \end{matrix} \right],\] then which one of the following holds for all \[n\ge 1,\] by the principle of mathematical induction?

    A)  \[{{A}^{n}}={{2}^{n-1}}A+(n-1)|\]

    B)  \[{{A}^{n}}=nA+(n-1)|\]

    C)  \[{{A}^{n}}={{2}^{n-1}}A-(n-1)|\]

    D)  \[{{A}^{n}}=nA-(n-1)|\]

    E)  None of these

    Correct Answer: D


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