NDA 2022 Mathematics question
Consider the following statements in respect of square matrices and of same order : 1. If is a null matrix, then at least one of and is a null matrix. 2. If is an identity matrix, then . Which of the above statements is/are correct?
Answer: (B)
Solution
1: and give although neither is null; statement 1 is incorrect. 2: if
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account