1.

bar(b)=3hatj+4hatk,bar(a)=hati+hatj. If bar(b_(1)) and bar(b_(2)) are component of bar(b) and bar(b_(1))=(3)/(2)hati+(3)/(2)hatj,bar(b_(2)) is perpendicualr to bar(a) then bar(b_(2)) = ………………..

Answer»

`(3)/(2)HATI+(3)/(2)hatj+4hatk`
`-(3)/(2)hati+(3)/(2)hatj+4hatk`
`-(3)/(2)hati+(3)/(2)hatj`
NONE of these

ANSWER :B


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