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if a,b,c,a+b,b+c and a+b+c are unit vectors then |a+c|

AJP , 5 Years ago
Grade 12
anser 1 Answers
Vikas TU
Dear student 
This question seems to be wrong, Because such condition never arises.
Proof 
Let a = i 
b = j 
c = k 
Then a+b , b+c , and a+b+c can not be unit vector. 
Please attach an image, 
Good Luck 
Cheers 
Last Activity: 5 Years ago
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