Let `veca=7hati-2hatj+hatk,vecb=hati-2hatj+2hatk and vecc=3hati-8hatk`.ii Are the products `veca.(vecbxxvecc)` and `(vecaxxvecb).vecc` obtained are same?
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Let veca=7hati-2hatj+hatk,vecb=hati-2hatj+2hatk and vecc=3hati-8hatk .i Compute vecaxxvecb and vecaxxvecc .
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