Matrices A and B shown below are equal.
1 answer:
Answer:
-18
Step-by-step explanation:
see attachment for the figure.
If the two matrices are equal. In this way, the amount in the upper, right-hand corner of A (which is - 18) is equivalent to the amount in the upper, right-hand corner of B, which is b₁₂
Therefore, the first answer choice (-18) is the correct one.
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