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Questions › UGC-NET › UGC-NET 2023 › Q56
2 marksMathematics › Matrices, determinants and linear systems › Matrix operations and special matricesHardabout 2 min

UGC-NET 2023 Question 56: Matrices, determinants and linear systems

A = [[1,3],[2,8],[4,0]] (3x2) and B = [[5],[9]] (2x1).

(A) AB is given by [32, 82, 20]^T.

(B) BA is given by [32, 82, 20].

(C) AB is not defined.

(D) BA is not defined.

(E) A^T B is defined.

Choose the correct answer from the options given below:

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Answer and worked solution

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Matrices, determinants and linear systems has come up 102 times in 7 exams since 2006.

What this question tests

This question is on Matrix operations and special matrices, part of Matrices, determinants and linear systems in Mathematics.

Adding, multiplying and transposing matrices, and the matrices with special properties.

TestStop has 25 past-paper questions on this subtopic.

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Question from the UGC-NET 2023 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.