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Grade: 11 
        
if |A×B|=root3(A.B)vector then find the value of (A+B)vector
3 years ago

Answers : (1)

Harsh Patodia
IIT Roorkee
askIITians Faculty
906 Points 
							AxB= absin (theta)
A.B= abcos (theta)
From given conditon it follows
sin (theta)= root3cos (theta)
which means theta is 60.
For getting A+B we need magnitudes of these vectors as well. We have got angle from above relation.
3 years ago
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