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The three points (x(1), y(1), z(1)), (x(...

The three points `(x_(1), y_(1), z_(1)), (x_(2), y_(2), z_(2)), (x_(3), y_(3), z_(3))` are collinear when…………

Text Solution

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The correct Answer is:
`(x_(3)-x_(1))/(x_(2)-x_(1))= (y_(3)-y_(1))/(y_(2)-y_(1))= (z_(3)-z_(1))/(z_(2)-z_(1))`
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