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Find the determinant of the following matrix. [1 -2] [3 4]​

Find the determinant of the following matrix. [1 -2] [3 4]​-example-1

1 Answer

3 votes

Answer:

10

Explanation:

[1 -2]

[3 4]

We can obtain the determinant of the above matrix by doing the following:

Determinant =(1 × 4) – (3 × –2)

Determinant = 4 – – 6

Determinant = 4 + 6

Determinant = 10

Thus, the determinant of the above matrix is 10

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