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Consider three vectors vecA = hati + hat...

Consider three vectors `vecA = hati + hatj - 2 hatk , vecB = hati - hatj + hatk` and `vecC = 2hati - 3hatj + 4hatk` .A vector X of the form `alpha vecA + beta vecB` (`alpha and beta` are numbers) is perpendicular to `vecC`. The ratio of `alpha and beta` is

A

`1:1`

B

`2:1`

C

`-1: 1`

D

`3:1`

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