Mathematics for Data Science II · Quiz 1 · 15 Mar 2026 · January 2026 term

Question 10: where are distinct real numbers. Which of the following …

Question 10

+5 marksOne or more correct options

Let

where are distinct real numbers. Which of the following statements are correct?

Select all that apply.

1. A

   If the sum of every row of is , then is .

2. B

   changes sign if rows 2 and 4 are interchanged.

3. C

   if any two of the numbers are equal.

4. D

   changes sign if each row is multiplied by .

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Correct answers

• A

  If the sum of every row of is , then is .

• B

  changes sign if rows 2 and 4 are interchanged.

• C

  if any two of the numbers are equal.

Question 10 of 45 in the IIT Madras BS Mathematics for Data Science II (Maths 2) Quiz 1 paper sat on 15 Mar 2026, in the January 2026 term (Maths2 15 Mar 26). It carries 5 marks.