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Machine Learning Foundations · End Term · 21 Dec 2025 · September 2025 term

Question 8: If is a square invertible matrix, which of the following …

Question 8

+3 marksOne or more correct options

If is a square invertible matrix, which of the following is/are true?

Select all that apply.

  1. A

    The row space of is equal to its column space.

  2. B

    The nullspace of is equal to its left nullspace.

  3. C

    The left nullspace of is equal to its row space.

  4. D

    The nullspace of is equal to its row space.

Show answer

Correct answers

  • A

    The row space of is equal to its column space.

  • B

    The nullspace of is equal to its left nullspace.

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Question 8 of 38 in the IIT Madras BS Machine Learning Foundations (MLF) End Term paper sat on 21 Dec 2025, in the September 2025 term (Machine Learning Foundations 18 Dec 25). It carries 3 marks.

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