adplus-dvertising
frame-decoration

Question

The determinant of identity matrix is?

a.

1

b.

0

c.

Depends on the matrix

d.

None of the mentioned

Posted under Discrete Mathematics

Answer: (a).1

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. The determinant of identity matrix is?

Similar Questions

Discover Related MCQs

Q. If determinant of a matrix A is Zero than __________

Q. For a skew symmetric even ordered matrix A of integers, which of the following will not hold true?

Q. For a skew symmetric odd ordered matrix A of integers, which of the following will hold true?

Q. Let A = [kaᵢⱼ]ₙₓₙ, B = [aᵢⱼ]ₙₓₙ, be an nxn matrices and k be a scalar then det(A) is equal to _________

Q. The Inverse exist only for non-singular matrices.

Q. If for a square matrix A and B, null matrix O, AB = O implies BA=O.

Q. If for a square matrix A and B,null matrix O, AB = O implies A=O and B=O.

Q. Let A be a nilpotent matrix of order n then?

Q. Which of the following property of matrix multiplication is correct?

Q. For a matrix A, if a matrix B is obtained by changing its rows into columns and column into rows, then relation between A and B is?

Q. For matrix A, (Aᵀ)ᵀ is equals to ___________

Q. For matrix A and a scalar k, (kA)ᵀ is equal to _________

Q. If A is a lower triangular matrix then Aᵀ is a _________

Q. If matrix A and B are symmetric and AB = BA iff _________

Q. A matrix can be expressed as sum of symmetric and anti-symmetric matrices.

Q. The determinant of a diagonal matrix is the product of leading diagonal’s element.

Q. If for a square matrix A and B,null matrix O, (AB)ᵀ = O implies Aᵀ = O and Bᵀ = O.

Q. Let A = [aᵢⱼ] given by abᵢⱼ = (i-j)³ is a _________

Q. Trace of the matrix of odd ordered anti-symmetric matrix is _________

Q. For a matrix A, B and identity matrix I, if a matrix AB=I=BA then?