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The position vector of the pont where th...

The position vector of the pont where the line `vecr=hati-j+hatk+t(hati+hatj-hatk)` meets plane `vecr.(hati+hatj+hatk)=5` is (A) `5hati+hatj-hatk` (B) `5hati+3hatj-3hatk` (C) `5hati+hatj+hatk` (D) `4hati+2hatj-2hatk`

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