Same chapter2 marksDifficulty: Easy
If A is a 2 × 3 matrix and B is a 3 × 4 matrix, state the order of AB.
Matrices
1 markDifficulty: Easy
The product of a 2 × 3 matrix and a 3 × 2 matrix is a matrix of order:
- a2 × 2
- b3 × 3
- c2 × 3
- d3 × 2
Original Khojo Papers practice question — not from a past board paper.
Answer
2 × 2
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
When an m × n matrix is multiplied by an n × p matrix the product has order m × p. Here m = 2 and p = 2.
Related questions
From the same topic and chapter, at a similar level.
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If A = [[2, 0], [−1, 3]] and B = [[1, 4], [2, −1]], find A + B and A − B.
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If A = [[1, −2], [3, 0]], find 2A.
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The order of the matrix [[1, 2, 3], [4, 5, 6]] is:
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If A = [[3, 0], [0, 3]], find A2.
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Find the product [[1, 2], [3, 4]] × [[2, 0], [1, 3]].
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