Engineering Board Exam Reviewer · Matrix Operations · easy

Given A= bmatrix3&1\2&4 bmatrix, find 2A.

1. bmatrix6&2\4&8 bmatrix
2. bmatrix5&3\4&6 bmatrix
3. bmatrix3&1\2&4 bmatrix
4. bmatrix6&1\2&8 bmatrix

Answer

A. bmatrix6&2\4&8 bmatrix

Solution

Multiplying each entry by 2: bmatrix6&2\4&8 bmatrix.

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