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If veca,vecb,vecc asre three vectors suc...

If `veca,vecb,vecc` asre three vectors such that `vecaxxvecb=vecc, vecbxxvecc=veca` then (A) `|vecb|=1,|vecc|=|veca|` (B) `|vecc|=1,|veca|=|vecb|` (C) `|vecb|=2,|vecc|=2|veca|` (D) `|veca|=1,|veccb|=|vecc|`

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