ISRO Electronics & Communication (ECE) 2010 - Question 16

All ISRO Electronics & Communication (ECE) papers | ISRO Electronics & Communication (ECE) 2010

Topic: Electronics Engineering

Which of the following is true

  • A. The product of the eigen values of a matrix is equal to the trace of the matrix
  • B. The eigen values of a skew-symmetric matrix are real
  • C. A is a nonzero column matrix and B is a nonzero row matrix, then rank of AB is one
  • D. A system of linear non-homogeneous equations is consistent if and only if the rank of the coefficient matrix is less than or equal to the rank of the augmented matrix

Answer: B. The eigen values of a skew-symmetric matrix are real

Explanation: Detailed standard solution.

| | All questions of ISRO Electronics & Communication (ECE) 2010