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Select CORRECT statement(s) for three ve...

Select CORRECT statement(s) for three vectors `veca=-3hati+2hatj-hatk, vecb=hati-3hatj+5hatk` and `vecc=2hati+hatj-4hatk`

A

The above vectors acna form triangle

B

Component of ` veca` along `vec c` is 3

C

`vec a` makes angle `cos^(-1)sqrt((2)/(7))` with y-axis.

D

A vector having magnitude twice the vector `veca` and anti parallel to vector `vecb` is `sqrt((2)/(5))(-2hati+6hatj-10hatk)`

Text Solution

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The correct Answer is:
A, C, D
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