ISRO Mechanical & Aerospace 2012 - Question 25

All ISRO Mechanical & Aerospace papers | ISRO Mechanical & Aerospace 2012

Rank of the matrix A = [[1, 1, 2], [1, 2, 3], [0, -1, 1]] is

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: D. 3

Explanation: Determinant is non-zero, so rank is 3.

| | All questions of ISRO Mechanical & Aerospace 2012