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प्रश्न
If \[P(x,y,z)\] is a point, what is its position vector?
विकल्प
\[\vec{OP}=x\hat{i}+y\hat{j}\]
\[\vec{OP}=\sqrt{x^2+y^2+z^2}\]
\[\vec{OP}=x\hat{i}+y\hat{j}+z\hat{k}\]
\[\vec{OP}=x\hat{i}-y\hat{j}-z\hat{k}\]
MCQ
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उत्तर
The position vector of the point \[P(x,y,z)\] has components along the x-, y-, and z-axes. Therefore, \[\vec{OP}=x\hat{i}+y\hat{j}+z\hat{k}\].
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