The vectors from origin to the points A and B are Ā = 3î + 6ĵ + 2k̂ and B̅ = 2î + ĵ - 2k̂ respectively. The are a of the triangle OAB be - VgyanHub

Question:

38. The vectors from origin to the points A and B are Ā = 3î + 6ĵ + 2k̂ and B̅ = 2î + ĵ – 2k̂ respectively. The are a of the triangle OAB be

Options :

a) (5/2)√17sq.unit
b) (2/5)√17sq.unit
c) (3/5)√17sq.unit
d) (5/3)√17sq.unit

Answer :

a) (5/2)√17sq.unit

Answer Steps :

Solution :-

Step1 :-

Step2 :-

Step3 :-

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