Question

If p=i+aj+k and q =ī + j+k , the
| p +91= P + 1ā | is true for
1) a= -1
2) a=1
3) all real values of'a'
4) for no real values of a'​

Answer 1

Answer:

The answer is a option B

Answer 2

Answer:

option b is your answerthank you