![\left[\begin{array}{ccc}ab\\cd\\\end{array}\right]](/tpl/images/0286/1352/79c37.png)
![\left[\begin{array}{ccc}1&7\\0&-3\\\end{array}\right]](/tpl/images/0286/1352/8600c.png)
What is the value of the determinant?
|1 7|
|0 -3|
...
Answers: 2
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