If A = [1 2; 2 4], then A⁻¹:
If A = [1 2; 2 4], then A⁻¹:
- A. does not exist
- B. = [4 −2; −2 1]
- C. = [1 0; 0 1]
- D. = (1/5)[4 2; 2 1]
Answer: A) does not exist
Explanation: |A| = 4−4=0, so A is singular and inverse does not exist.
0 Answers
Log in to post your own answer or join the discussion.
No comments yet — start the discussion.