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MATRICES — Maths STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceMathsMATRICES1 Mark
Question
$\text{Matrix A} = \begin{bmatrix} 0 & 2\text{b} & -2 \\ 3 & 1 & 3 \\ 3\text{a} & 3 & -1 \end{bmatrix} $ is given to be symmetric, find values of a and b.
✓

Answer

$\text{2b = 3 and 3a = - 2}$
$\text{b} = \frac{3}{2} \text{and a} = -\frac{2}{3}$

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