MCQEasy1 mark

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

If A = [[0, 1], [1, 0]], then A² is equal to:

Topic: Matrices

Previous-year question practice database

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Pick an option and check your answer. The full worked answer is below either way.

Choose an answer

[[1, 1], [0, 0]][[0, 0], [1, 1]][[1, 0], [0, 1]][[0, 1], [1, 0]]

Exam answer

Explanation

A² = [[0,1],[1,0]]·[[0,1],[1,0]] = identity matrix.

In words

[[1,0],[0,1]]