If <math><mrow><mo>[</mo><mtable><mtr><mtd><mi>a</mi></mtd><

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5 + 2 =
Solve this simple math problem and enter the result. E.g. for 1+3, enter 4.

If [abcd]a& b\\ c&d \\ \end{bmatrix} then (ad - bc) is:

A-1

None of these

|A|

Adj