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If a is a 5x2 matrix and the sum a b can be computed, what is the dimension of b?

User Swaechter
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Final answer:

The dimension of matrix b is 5x2.

Step-by-step explanation:

The dimension of matrix b can be determined by considering the dimensions of the matrices involved in the addition operation a + b. In order for matrix addition to be possible, the matrices being added must have the same dimensions. Since matrix a is given as a 5x2 matrix, in order to compute the sum a + b, the matrix b must also have dimensions of 5x2.

User Ekus
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