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The position vector of a point lying on the line joining the points whose positions vectors are $ \hat i+\hat j-\hat k$ and $\hat i- \hat j +\hat k$ is :
\[\begin {array} {1 1} (a)\;\hat {j} & \quad (b)\;\hat {i}\\ (c)\;\hat {k} & \quad (d)\;\overrightarrow {0}\end {array}\]
jeemain
eamcet
math
2006
q35
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Nov 6, 2013
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meena.p
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$(b)\;\hat {i}$
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Nov 7, 2013
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pady_1
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