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If veca=hati+hatj+hatk, vecb=4hati+3hatj...

If `veca=hati+hatj+hatk, vecb=4hati+3hatj+4hatk` and `vecc=hati+alphahatj+betahatk`
are linearly dependent vectors and `|vecc|=sqrt(3)` then

A

`alpha=1, beta=-1`

B

`alpha=1, beta+-1`

C

`alpha=-1, beta=+-1`

D

`alpha=+-1, beta=1`

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