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  • Can someone help me with this, A particular line will be known , if we are given

A particular line will be known , if we are given 

  • Option 1)

    direction of it only

  • Option 2)

    a point on it only

  • Option 3)

    either two points on it or its direction and a point on it

  • Option 4)

    none of these

 

Answers (1)

best_answer

As we have learned

Line -

A straight line can be determined by

(i)    its direction and the coordinates of a point on it.

(ii)    Any two points on it are given.

-

 

 If only direction is given, there will be infinte lines.

If only one point is given there will be infinte lines passing through that point.

When either two points are given or one point and direction is given the line will be unique

\therefore Option C

 


Option 1)

direction of it only

Option 2)

a point on it only

Option 3)

either two points on it or its direction and a point on it

Option 4)

none of these

Posted by

Himanshu

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