alleryStart learning →Find the unit vector along 3i + 4j.
A(4i + 3j)/5
B(3i - 4j)/5
C(3i + 4j)/7
D(3i + 4j)/5
Answer & Solution
Correct answer: D. (3i + 4j)/5
The magnitude is 5, and dividing the vector by it gives unit length.
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