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If vec a ,\ vec b ,\ vec c are unit v...

If ` vec a ,\ vec b ,\ vec c` are unit vectors such that ` vec a+ vec b+ vec c= vec0` find the value of ` vec adot vec b+ vec bdot vec c+ vec cdot vec adot`

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The correct Answer is:
`=-(3)/(2)`
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MODERN PUBLICATION-VECTOR ALGEBRA -Ncert File Question from Ncert Book (Exercise 10.3)
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