If a, b, c are non-zero real numbers, then the inverse of the matrix A= bmatrix a&0&0 0&b&0 0&0&c bmatrix is equal to

NDA 2017 Mathematics question

If a, b, c are non-zero real numbers, then the inverse of the matrix is equal to

Answer: (A)

The inverse of a diagonal matrix with non-zero diagonal entries is the diagonal matrix of

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Question ID VK-028710