Null matrix upper triangular matrix and lower triangular matrix

In a square matrix A=[a_(ij)] if igtj and a_(ij)=0 then matrix is called Square matrix Lower triangular matrix Upper triangular matrix Unit matrix

Let R be a square matrix of order greater than 1 such that R is lower triangular.Further suppose that none of the diagonal elements of the square matrix R vanishes. Then (A) R must be non singular (B) R^-1 does not exist (C) R^-1 is an upper triangular matrix (D) R^-1 is a lower triangular matrix

Which of the following is a triangular matrix? (A) a scalar matrix (B) a lower triangular matrix (C) an upper triangular matrix (D) a diagonal matrix

The matrix [(0, 5,-7),(-5, 0, 11),( 7,-11, 0)] is (a) a skew-symmetric matrix (b) a symmetric matrix (c) a diagonal matrix (d) an upper triangular matrix

Types Of Matrices|Identify|Upper Triangular Matrix|Lower Triangular Matrix|Zero Matrix|OMR

Multiplication Of A Matrix By A Scalar|Negative Of A Matrix|Exercise Questions|Upper Triangular Matrix|Lower Triangular Matrix|Trace Of Matrix|Exercise Questions|Properties Of Matrix Addition|Exercise Questions|Multiplication Of Matrices|OMR

If A is an upper triangular matrix of order nxxna n dB is a lower triangular matrix of order nxxna n dB is a lower triangular matrix of order nxxn , then prove that (A^(prime)+B)xx(A+B ') will be a diagonal matrix of order nxxn [assume all elements of A and dB to e non-negative and a element of (A^(prime)+B)xx(A+B^(prime))a sC_(i j) ].

Which of the following is a symmetric matrix? (A) a null matrix (B) a triangular matrix (C) an idenity matrix (D) a diagonal matrix

Transform [(1,2,4),(3,-1,5),(2,4,6)] into an upper triangular matrix by using suitable row transformations.

Square matrix and diagonal matrix