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Find the scalar components and magnitude...

Find the scalar components and magnitude of the vector joining the points `P(x_(1), y_(1), z_(1))` and Q`(x_(2), y_(2), z_(2))`.

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The correct Answer is:
`sqrt((x_(2)- x_(1))^(2) + (y_(2) - y_(1))^(2) + (z_(2) - z_(1))^(2))`
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