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If a = 2 hati - 3 hatj + hatk, b = hat...

If ` a = 2 hati - 3 hatj + hatk, b = hati - hatj + 2 hatk " and " c = 2hati + hatj + hatk` are three vecotrs , then ` |(a xx b) xx c | = `

A

A. `|a xx (b xx c) |`

B

B. `(sqrt39)/(sqrt11) | a xx (b xx c) | `

C

C. `sqrt(11/39) | a xx ( b xx c) | `

D

D. `sqrt11 | a xx (b xx c ) |`

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The correct Answer is:
C
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