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If a = I + 2j - 3k, b = 2i + j + k, c = ...

If a = I + 2j - 3k, b = 2i + j + k, c = I + 3j - 2k then `(a xx b) xx (b xx c)` =

A

[a b c] a

B

[a b c] b

C

[a b c] c

D

[a b c]

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • If a = I + j - k, b = I - j + k, c = I - j - k then a xx (b xx c) =

    A
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    B
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    C
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    B
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    C
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    D
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  • If a = 2i - 3j - k, b = I + 4j - 2k then (a + b) xx (a - b) =

    A
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    B
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    C
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