Question
Question: The matrix \(\begin{bmatrix} 2 & 5 & - 7 \\ 0 & 3 & 11 \\ 0 & 0 & 9 \end{bmatrix}\)is known as...
The matrix 200530−7119is known as
A
Symmetric matrix
B
Diagonal matrix
C
Upper triangular matrix
D
Skew symmetric matrix
Answer
Upper triangular matrix
Explanation
Solution
We know that if all the elements below the diagonal in a matrix are zero, then it is an upper triangular matrix.