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Class 12 Vector Algebra · Mcq Single Correct1 Markscross_product_area

Class 12 Maths · Vector Algebra · Mcq Single Correct #11

Find the area of triangle OAB with OA = (2,−3,2), OB = (2,3,1).

✅ Step-by-Step Solution

Final Answer: Option (D): √229/2
  1. OA × OB = (−9,2,12), whose squared norm is 229. Area = √229/2.

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