Question on: JAMB Mathematics - 2009
If Q is( \left[ \begin{array}{cc}
9 & -2 \
-7 & 4 \
\end{array} \right]) , then |Q| is
A
-50
B
-22
C
22
D
50
Ask EduPadi AI for a detailed answer
Correct Option: C
Q = ( \left[ \begin{array}{ccc}
9 & -2 \
-7 & 4 \
\end{array} \right])
|Q| = 9x4 - (-2x7)
= 36 - 14
= 22
Add your answer
Please share this, thanks!
No responses