NDA2014MathematicsVector AlgebraActual
What is the area of the triangle OAB where O is the origin, OA =3 i - j + k and OB =2 i + j -3 k ?
Options
- A5 6 square unit
- B5 6 2 square unit
- C6 square unit
- D30 square unit
Correct answer
B. 5 6 2 square unit
Step-by-step solution
The correct answer is option (B)