If are linearly independent vectors and , then 

a) 

b) 

c) 
any nonzero value 
d) 
None of these 
If are linearly independent vectors and , then 

a) 

b) 

c) 
any nonzero value 
d) 
None of these 
(c)
If , then
are which is a contradiction
Hence, can take any nonzero real values