37 verified questions · ~56 minutes · answer key checked against the official NTA final key across multiple sources. Text-only questions (diagram-based excluded until they can be shown properly).
The matrix [[0, 1, −1], [−1, 0, 1], [1, −1, 0]] is: (A) Symmetric matrix (B) Square matrix (C) Diagonal matrix (D) Skew-symmetric matrix (E) Scalar matrix Choose the correct answer from the options given below:
If |2x 3; 5 x| = |16 3; 5 2|, the value of x is:
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