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lf bara = 3i - 5j and barb = 6i + 3j are...

lf `bara = 3i - 5j` and `barb = 6i + 3j` are two vectors, and `barc` is a vector such that `barc = bara xx barb` ,
then : `abs(bara) : abs(barb) : abs(barc) =`

A

`sqrt(34):sqrt(45):sqrt(39)`

B

`sqrt(34):sqrt(45):39`

C

`34:39:45`

D

`39:35:34`

Text Solution

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The correct Answer is:
B
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