1.

If overline(a), overline(b), overline(c) are unit vectors such that overline(a)*overline(b)=(1)/(2), overline(b)*overline(c)=(1)/(sqrt(2) and overline(c)*overline(a)=(sqrt(3))/(2), then overline(a)*(overline(b)timesoverline(c))=

Answer»

`(SQRT(sqrt(6)-2))/(2)`
`(sqrt(sqrt(6)+2))/(2)`
`(sqrt(6)-2)/(2)`
`(sqrt(6)+2)/(2)`

ANSWER :A


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