If A = [[2, 3], [1, −1]] and B = [[1, 4], [0, 2]], then the element in the first row and second column of AB is: A. 14 B. 8 C. 5 D. 10 Answer: A) 14 Explanation: AB = [[2×1+3×0, 2×4+3×2], [1×1+(−1)×0, 1×4+(−1)×2]] = [[2, 8+6=14], [1, 4−2=2]]. The element in row 1, column 2 is 14.

imo class 12 matrices

If A = [[2, 3], [1, −1]] and B = [[1, 4], [0, 2]], then the element in the first row and second column of AB is:

VAVidaara Admin Asked 6d ago 0 views 0 answers

If A = [[2, 3], [1, −1]] and B = [[1, 4], [0, 2]], then the element in the first row and second column of AB is:

Answer: A) 14

Explanation: AB = [[2×1+3×0, 2×4+3×2], [1×1+(−1)×0, 1×4+(−1)×2]] = [[2, 8+6=14], [1, 4−2=2]]. The element in row 1, column 2 is 14.

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