Question
यदि $A = \left[ {\begin{array}{*{20}{c}}3&5\\2&0\end{array}} \right]$ और $B = \left[ {\begin{array}{*{20}{c}}1&{17}\\0&{ - 10}\end{array}} \right]$, तो $|AB|$ =
$\therefore $ $|AB|\, = |A||B|$; $|A|\, = - 10;|B| = - 10$
$\therefore $ $|AB|\, = 100$.
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