Kind of struggling with this particular vector problem. How should i THINK through it?  

Asked by astutijoshi | 2nd Jul, 2019, 04:36: PM

Expert Answer:

A +B = A - B 
Adding - A + B on both the sides,
 
A + B - A + B = A - B - A + B 
Thus, 
2B = 0
B = 0 
 
Thus, A.B =0 
and A x B = 0 
 
So, incorrect option is (C)
A = 0

Answered by Shiwani Sawant | 2nd Jul, 2019, 10:11: PM

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