The unit vector parallel to the resultant of the vectors Ā = 4î + 3ĵ + 6k̂ and B̅ = -î + 3ĵ - 8k̂ is - VgyanHub

Question:

11. The unit vector parallel to the resultant of the vectors Ā = 4î + 3ĵ + 6k̂ and B̅ = -î + 3ĵ – 8k̂ is

Options :

a) (1/7)(3î + 6ĵ - 2k̂)
b) (1/7)(3î + 6ĵ + 2k̂)
c) (1/49)(3î + 6ĵ - 2k̂)
d) (1/49)(3î - 6ĵ + 2k̂)

Answer :

a) (1/7)(3î + 6ĵ – 2k̂)

Answer Steps :

Solution :-

Step1 :-

Step2 :-

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