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question is in the image

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Grade:12

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
9 years ago
Hii

You can expand the vectors as difference of position vectors
i.e. 2*c= a+b
2 (o-o) +2*c = a+b
2(c-o) = (b-o) + (a-o)
Hence proved


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