Day 32: CBSE Class 12 Maths

1. A.
   symmetric matrix
2. B.
   skew-symmetric matrix
3. C.
   null matrix
4. D.
   identity matrix

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1. A.
   $\begin{bmatrix} 12 & \dfrac{25}{3} \\ \dfrac{16}{3} & 3 \end{bmatrix}$
2. B.
   $\begin{bmatrix} 12 & \dfrac{16}{3} \\ \dfrac{25}{3} & 3 \end{bmatrix}$
3. C.
   $\begin{bmatrix} 3 & \dfrac{25}{3} \\ \dfrac{16}{3} & 12 \end{bmatrix}$
4. D.
   $\begin{bmatrix} 3 & \dfrac{16}{3} \\ \dfrac{25}{3} & 12 \end{bmatrix}$

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