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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 3 · Set 1 · Q19
Assertion (A): Every scalar matrix is a diagonal matrix. Reason (R): In a diagonal matrix, all the diagonal elements are 0.
Assertion (A) : Every scalar matrix is a diagonal matrix.
Reason (R): In a diagonal matrix, all the diagonal elements are $\displaystyle 0$ .
Official answer
(C)
Assertion (A) is true, but Reason (R) is false.
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CBSE Class 12 Mathematics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.