True and False
If 
, then the vectors 
and 
are orthogonal.
True
Explanation:
Given that, 
On squaring both the sides, we get
⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
Hence, 
are orthogonal.
43
True and False
If , then the vectors and are orthogonal.
True
Explanation:
Given that,
On squaring both the sides, we get
⇒
⇒
⇒
⇒
⇒
⇒
Hence, are orthogonal.