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What is the order of this matrix?

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Explanation:

The order of a matrix is a way of describing its size. Specifically, the order is represented in the form , where,

The rows are laid out horizontally, and the columns are vertical.

In this case, we have 5 rows and 3 columns. Therefore, the answer is 5 x 3. The order is important because a 5 x 3 matrix is different from a 3 x 5 matrix.

the first one is x^2+2x+2

the second one is x^2+4

the last one is x^2-4x+8