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For non-zero vectors veca, vecb and vecc...

For non-zero vectors `veca, vecb and vecc , |(veca xx vecb) .vecc| = |veca||vecb||vecc|` holds if and only if

A

`veca.vecb=vecb.vecc=veca.veca=0`

B

`veca.vecb=0=vecb.vecc`

C

`vecb.vecc=0=vecc.veca`

D

`vecc.veca=0=veca.vecb`

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The correct Answer is:
A
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