Class: 12 Subject: Math Topic: Matrices Year: 2024

Question:

If \( A = \begin{bmatrix}7 & 0 & x \\ 0 & 7 & 0 \\ 0 & 0 & y\end{bmatrix} \) is a scalar matrix, then \( y^x \) is equal to:
  • A. 0
  • B. 1
  • C. 7
  • D. \( \pm7 \)
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