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Dafna11 [192]
3 years ago
6

Evaluate the determinant for the following matrix [3 -5 / 1 1]

Mathematics
1 answer:
Natalka [10]3 years ago
6 0

Answer:

<h2>A. -2</h2>

Step-by-step explanation:

\det\left[\begin{array}{ccc}a&b\\c&d\end{array}\right] =ad-bc\\\\\det\left[\begin{array}{ccc}3&-5\\1&1\end{array}\right] =(3)(1)+(-5)(1)=3-5=-2

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