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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

Verified by Experts

The correct Answer is:
B
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MARVEL PUBLICATION-VECTORS-TEST YOUR GRASP
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