Question Number 33942 by manishprajapati076@gmail.com last updated on 28/Apr/18
Commented by manishprajapati076@gmail.com last updated on 28/Apr/18
$${solve}\mathrm{12}\:\mathrm{11}\:\mathrm{no}. \\ $$
Answered by MJS last updated on 28/Apr/18
$${det}\begin{vmatrix}{{a}}&{{b}}&{{c}}\\{{d}}&{{e}}&{{f}}\\{{g}}&{{h}}&{{i}}\end{vmatrix}={aei}+{bfg}+{cdh}−{afh}−{bdi}−{ceg} \\ $$$$\mathrm{it}'\mathrm{s}\:\mathrm{just}\:\mathrm{hard}\:\mathrm{work}\:\mathrm{from}\:\mathrm{here}... \\ $$