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If veca, vecb, vecc are non coplanar vec...

If `veca, vecb, vecc` are non coplanar vectors such that `vecbxxvecc=veca, vecaxxvecb=vecc aned veccxxveca=vecb` then (A) `|veca|+|vecb|+|vecc|=3` (B) `|vecb|=1` (C) `|veca|=1` (D) none of these

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All vertors will be mutuallly perpendicular and their magnitude are equal to 1.
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