NCERT Example 8 - Vector Algebra

Question: Find the unit vector in the direction of the sum of a = 2 i-hat + 2 j-hat - 5 k-hat and b = 2 i-hat + j-hat + 3 k-hat.

Answer: (4 i-hat + 3 j-hat - 2 k-hat)/sqrt(29).

Full step-by-step NCERT solution with diagrams on Something by Zero.

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