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Aby Alex Grade: 12
        

In a regular hexagon ABCDEF, if \overrightarrow{AB}.=\vec{a} and vector BC = vector b,


then express vector CD, vectorDE, vectorEF, vectorFA, vectorAC, vectorAD, vectorAF, vectorCF IN TERMS OF \vec{a} AND VEC B ?

7 years ago

Answers : (2)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear Aby Alex


given AB =a


  BC =b      here a and b are vector


EF=-b


DE=-a


and we know thar AD=2BC


                             =2b


AD=AB+BC+CD


2b =a+b+CD


CD =b-a


and FA=-CD


           =a-b


Ac=AB+BC


    =a+b


AF=CD=b-a


and CF=2DE


          =-2a





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Badiuddin


 

7 years ago
Aby Alex
33 Points
										

Thank u very much

7 years ago
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