Problem

Given two matrices A = [[2, 3], [4, 5]] and B = [[1, 2], [3, 4]], find the result of 2A - B.

Answer

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Answer

Next, subtract B from 2A. 2A - B = [[4, 6], [8, 10]] - [[1, 2], [3, 4]] = [[3, 4], [5, 6]]

Steps

Step 1 ：First, calculate 2A. 2A = 2 * [[2, 3], [4, 5]] = [[4, 6], [8, 10]]

Step 2 ：Next, subtract B from 2A. 2A - B = [[4, 6], [8, 10]] - [[1, 2], [3, 4]] = [[3, 4], [5, 6]]

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