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Let veca=hati-hatk, vecb=xhati+hatj+(1-x...

Let `veca=hati-hatk, vecb=xhati+hatj+(1-x)hatk and vecc=yhati+xhatj+(1+x-y)hatk. Then ``[veca vecb vecc]` depends on (A) `only x (B) only y (C) neither x nor y (D) both x and y

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Let veca=-hati-hatk, vecb=xhati+hatj+(1-x)hatk nad vecc=yhati+xhatj+(1+x-y)hat. Then [veca vecb vecc] depends (A) only x (B) only y (C) neither x or nor y (D) both x and y

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