1.

If `veca=2veci-3vecj+2veck` and `vecb=veci+2vecj+veck`, find (i)`veca.vecb`, (ii)`vecaxxvecb` and (iii)`vecbxxveca`

Answer» Correct Answer - (i)-2 , (ii)-7`veci+7veck` , (iii)`7veci-7veck`


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