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If the vectors vec a , vec b ,a n d vec...

If the vectors ` vec a , vec b ,a n d vec c` form the sides`B C ,C Aa n dA B ,` respectively, of triangle `A B C ,t h e n` ` vec adot vec b+ vec bdot vec c+ vec cdot vec a=0` b. ` vec axx vec b= vec bxx vec c= vec cxx vec a` c. ` vec adot vec b= vec bdot vec c= vec cdot vec a` d. ` vec axx vec b+ vec bxx vec c+ vec cxx vec a=0`

A

`a*b+b*c+c*a=0`

B

`a times b=b times c=c times a`

C

`a*b=b*c=c*a`

D

`a times b=b times c=c times a=0`

Text Solution

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The correct Answer is:
B
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