This is a square matrix whose entries are real and rows and columns are orthogonal unit vectors.
Answer:
I have exactly 5,621 dominoes, and, including myself, 23 people to set them all up. How many dominoes will each person set up?
Answer: The answer to the first question is 20
Step-by-step explanation:
Can you post this and provide a picture please so I can help you ?
Explanation: