MCQ
$ \begin{bmatrix} p & q & r \end{bmatrix} \begin{bmatrix} a & h & g \\ h & b & f \\ g & f & c \end{bmatrix} \begin{bmatrix} p \\ q \\ r \end{bmatrix}$ ની કક્ષl$..............$છે.
- A$3 \times 1$
- ✓$1 \times 1$
- C$1 \times 3$
- D$3 \times 3$
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