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If veca, vecb, vecc are unit vectors suc...

If `veca, vecb, vecc` are unit vectors such that
`veca+vecb+vecc=0`, find the value of
`veca.vecb+vecb.vecc+vecc.veca`.

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MAXIMUM PUBLICATION-VECTOR ALGEBRA-EXAMPLE
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  4. If veca, vecb, vecc are unit vectors then, veca.veca=

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  5. Hence, show that veca.vecb+vecb.vecc+vecc.veca=(-3)/2 if veca+vecb+vec...

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  11. Find a unit vector hata.

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  12. Write down a unit vector in XY plane, making an angle of 60° with the...

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  13. Let the vectors veca,vecb,vecc denotes the sides of a triangle ABC. ...

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  14. Find the projection of a vector i+3j+7k on the vector 7i-j+8k.

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