AP EAMCET · Maths · Matrices
Let be a matrix such that is upper-triangular. Then
- A lower triangular matrix
- B upper triangular matrix
- C diagonal matrix
- D scalar matrix
Answer & Solution
Correct Answer
(B) upper triangular matrix
Step-by-step Solution
Detailed explanation
Let, An×n =a11a12a13........a1n0a22a23......a2n00a33........a3n......................000ann Cofactors of all the elements of upper triangle are zero. adjA=A1100........0A12A220......0A13A23A33 ........0......................A1nA2n.....AnnT…
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