A line of fixed length moves so that its ends are alwayes on two fixed perpendicular straight lines, then the locus of a point, which divides this line into portions of lenghts and is a/an |
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a) |
Ellipse |
b) |
Parabola |
c) |
Straight line |
d) |
None of these |

A line of fixed length moves so that its ends are alwayes on two fixed perpendicular straight lines, then the locus of a point, which divides this line into portions of lenghts and is a/an |
|||||||

a) |
Ellipse |
b) |
Parabola |
c) |
Straight line |
d) |
None of these |

1 Answer

127 votes

**(a)**

Let be the line

Let

So that

If makes an angle with -axis and coordinates of are ,

Then in

In

Locus of is

Which is an ellipse

127 votes

127