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23-03-2016
Mathematics

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find the magnitude & directionof the vector JK given point j(1,0) & k(-2,3)

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24-03-2016

The distance between two point:
L=sqrt[(1-(-2))^2+(0-3)^2]=sqrt(18)=3sqrt(2) - magnitude
About direction. Angle is 45°, both point are on the line y=-x+1

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