The inverse of a diagonal matrix, whose principal diagonal elements are `l, m` isA. `[{:((1)/(l), 0), (0, (1)/(m)):}]`B. `[{:(l, 0), (0, m):}]`C. `[{:(l^(2), 0), (0, m^(2)):}]`D. `[{:(2l, 0), (0, 2m):}]`

The inverse of a diagonal matrix, whose principal diagonal elements ar

1.	The inverse of a diagonal matrix, whose principal diagonal elements are `l, m` isA. `[{:((1)/(l), 0), (0, (1)/(m)):}]`B. `[{:(l, 0), (0, m):}]`C. `[{:(l^(2), 0), (0, m^(2)):}]`D. `[{:(2l, 0), (0, 2m):}]`
Answer» Correct Answer - A The inverse of diagonal matrix `[{:(a, 0), (0, b):}] " is " [{:((1)/(a), 0), (0, (1)/(b)):}]`

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The inverse of a diagonal matrix, whose principal diagonal elements are `l, m` isA. `[{:((1)/(l), 0), (0, (1)/(m)):}]`B. `[{:(l, 0), (0, m):}]`C. `[{:(l^(2), 0), (0, m^(2)):}]`D. `[{:(2l, 0), (0, 2m):}]`

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