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The area of the triangle formed by the v...

The area of the triangle formed by the vertices O, A, and B, where `vecOA = hati + 2hatj +3hatk` and `vecOB = -3hati -2hatj + hatk ` is
(A) `3sqrt5 units^2`
(B) `5sqrt5 units^2`
(C) `6sqrt5 unit^2`
(D) `4 unit^2`

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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII Boards-All Questions
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