Let A be a symmetric matrix such that |A| = 2 and pmatrix 2&1 3& 3 2 pmatrix A = pmatrix 1&2 & pmatrix . If...

Question

Let A be a symmetric matrix such that |A| = 2 and pmatrix 2&1 3& 3 2 pmatrix A = pmatrix 1&2 & pmatrix . If the sum of the diagonal elements of A is s, then s ^2 is equal to _____.

Accepted Answer

5

JEE Main 2023 Mathematics question

Solution