A is a diagonal matrix with non-zero diagonal entries.
At least one column of A is a linear combination of two other columns of A.
b is one of the columns of A.
The reduced row echelon form of A has no zero rows.
A has at least n − 1 linearly independent rows.
Correct answers
A is a diagonal matrix with non-zero diagonal entries.
b is one of the columns of A.
The reduced row echelon form of A has no zero rows.
Question 2 of 12 in the IIT Madras BS Mathematics for Data Science II (Maths 2) Quiz 1 paper sat on 7 Jul 2024, in the May 2024 term (IIT M DIPLOMA AN EXAM QDD2 7 July 2024). It carries 3 marks.
