![\left[\begin{array}{ccc}a&b\\c&d\\\end{array}\right]](/tpl/images/0571/2624/8e5bd.png)
is obtained by subtracting  the product of cd from the product of ad.![\left[\begin{array}{ccc}5&-1\\3&4\\\end{array}\right]](/tpl/images/0571/2624/1526e.png)
the determinant is calculated as :![[A]=(5\times4)-(3\times-1)\\\\=20-(-3)\\\\=20+3\\\\=23](/tpl/images/0571/2624/03275.png)
Consider the matrix shown below:
...
Answers: 3
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