1.

An ellipse whose distance between foci S and S is 4 units is incribed in the triangle ABC touching the sides AB, AN and BC at P, Q and R. If centre of ellipse is or origin and major axis along-axis, SP+SP=6, then answer the following questions. If chord PQ subtends 90^(@) angles of centre of ellipse, then locus of A is

Answer»

`25X^(2)+81 y^(2)=620`
`25x^(2)+81y^(2)=630`
`9x^(2)+16y^(2)=25`
NONE of these

Answer :B


Discussion

No Comment Found

Related InterviewSolutions