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Line  makes angle  with . If these lines and the line  are concurrent, then

a)

b)

c)

d)

None of these


Question ID - 53571 :-

Line  makes angle  with . If these lines and the line  are concurrent, then

a)

b)

c)

d)

None of these

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

Lines  and  are mutually perpendicular. Thus  will be equally inclined to these lines and would be the angle bisector of these. Now equations of angle bisectors is

or

comparing these lines with , we get

or 



Next Question :

If the equation of any two diagonals of a regular pentagon belongs to family of lines  and their lengths are , then locus of centre of circle circumscribing the given pentagon (the triangles formed by these diagonals with slides of pentagon have no side common) is

a)

b)

c)

d)


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