please answer the question
Attachments:
Answers
Answered by
0
Answer:
1) -4i +5j-7k
2) j-k
3)4i+3j+k
4)-4
5)-4i+5j-6k/√9×√14
6)-4/√14
7)i-2j-2k/3
Explanation:
hope you got the answer ..
Similar questions