0 votes 0 votes If $A = \begin{bmatrix} 10 & 2k +5 \\ 3k - 3 & k +5 \end{bmatrix}$ is a symmetric matrix, the value of $k$ is __________________. $8$ $5$ $-0.4$ $\frac{1 + \sqrt{1561}}{12}$ Others gateme-2022-set1 + – Arjun asked Feb 15, 2022 • edited Feb 24, 2022 by soujanyareddy13 ♦Arjun 28.5k points answer See all 0 reply