Asked by Anonymous
                A <-9, 7>
B< -7,12>
Find AB in component from and the magnitude?
(2,5) component so so sqrt29 magnitude of the vector?Is this correct?
            
            
        B< -7,12>
Find AB in component from and the magnitude?
(2,5) component so so sqrt29 magnitude of the vector?Is this correct?
Answers
                    Answered by
            Damon
            
    Your symbols make no sense to me.
Do you mean A is at (-9 , 7 ) and B is at (-7 , 12 ) ????
in that case the length of the x component of vector AB is
-7 - -9 = +2
and the y component is
12 - 7 = 5
so AB = 2 i + 5 j as you said and |AB| = sqrt (4+25) as you said
    
Do you mean A is at (-9 , 7 ) and B is at (-7 , 12 ) ????
in that case the length of the x component of vector AB is
-7 - -9 = +2
and the y component is
12 - 7 = 5
so AB = 2 i + 5 j as you said and |AB| = sqrt (4+25) as you said
                    Answered by
            Anonymous
            
    yes, thank you, those are for the vectors.
    
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