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a1 hati+a2hatj is a unit vector perpendi...

`a_1 hati+a_2hatj` is a unit vector perpendicular to `4hati-3hatj` if

A

`a_(1) = .6, a_(2) = .8`

B

`a_(1) = 3, a_(2) = 4`

C

`a_(1) = .8, a_(2) = .6`

D

`a_(1) = 4, a_(2) = 3`

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