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Grade: 11 

                        
if a,b,c are 3 unit vectors such that a is perpendicular to the plane of b, c and the angle between b,c is pi\6 then find |a+b+c|
9 months ago

Answers : (1)

Arun
24742 Points 
							
Dear student
 
579-639_IMG_20190123_194123.jpgPFA
 
I have attached the image. ontianing solution. Please check and let me know if there is any difficulty 
9 months ago
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