The vectors i, j and k lie along which axes?
Ax, y and z
BOnly the x
COnly the y
DNone of them
Answer & Solution
Correct answer: A. x, y and z
1. Three mutually perpendicular directions are needed in space.
2. Each unit vector takes one of them.
3. They lie along the x, y and z axes.
4. So the answer is x, y and z.
_Source: NCERT Class 12 Mathematics, Ch 10 'Vector Algebra'_
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