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Questions › JNU › JNU SIS 2014 › Q2
4 marks, −1Mathematics › Matrices, determinants and linear systems › Matrix operations and special matricesEasyabout 1 min

JNU SIS 2014 Question 2: Matrices, determinants and linear systems

Suppose AAA is a 5×25 \times 25×2 matrix, BBB is an r×sr \times sr×s matrix and CCC is a p×3p \times 3p×3 matrix. If A′∗B∗C′A' * B * C'A′∗B∗C′ is defined, which of the following is true?

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Suppose A is a 5 × 2 matrix, B is an r × s matrix and C is a p × 3 matrix. If A′ * B * C′ is defined, which of the following is true? (A) r = 2, s = 5 (B) r = 3, s = 4 (C) r = 5, s = 3 (D) r = 3, s = 5

Also written as: Suppose A is a 5 * 2 matrix, B is an r * s matrix and C is a p * 3 matrix. If A' * B * C' is defined, which of the following is true?

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.

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