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If vec a=4 hat i+6 hat ja n d vec b=3 h...

If ` vec a=4 hat i+6 hat ja n d vec b=3 hat j+4 hat k ,` then find the component of ` vec aa n d vec bdot`

A

`(18)/5(3 hat i + 4 hat k)`

B

`(18)/(25)(3 hat j + 4 hat k)`

C

`(18)/5(3 hat j + 4 hat k)`

D

`(18)/(25)(4 hat i + 4 hat j)`

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