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The vectors x hat i+(x+1) hat j+(x+2) ha...

The vectors `x hat i+(x+1) hat j+(x+2) hat k ,(x+3) hat i+(x+4) hat j+(x+5) hat k a n d(x+6) hat i+(x+7) hat j+(x+8) hat k` are coplanar if `x` is equal to a. `1` b. `-3` c. `4` d. `0`

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