Question

निश्‍चयकाची किंमत काढण्यासाठी खालील कृती पूर्ण करून लिहा.

कृती:

${\displaystyle \left|\begin{array}{cc}2\sqrt{3}& 9\\ 2& 3\sqrt{3}\end{array}\right|=2\sqrt{3}\times \square -9\times \square }$

= ${\displaystyle \square -18}$

= ${\displaystyle \square }$

Answer 1

${\displaystyle \left|\begin{array}{cc}2\sqrt{3}& 9\\ 2& 3\sqrt{3}\end{array}\right|=2\sqrt{3}\times 3\sqrt{3}-9\times 2}$

= 18 - 18

= 0