Question

Solution

Correct option is Equation of any tangent to  The equation of a tangent to perpendicular to (i) is  Let P(hk) be the point of intersection of (i) and (ii). Then,    Hence, the locus of (hk) is .

SIMILAR QUESTIONS

Q1

If PSQ is a focal chord of the ellipse , then the harmonic mean of SP and SQ is

Q2

If PSQ is a focal chord of the ellipse 16x2 + 25y2 = 400 such that SP = 8, then SQ =

Q3

If S and S’ are two focii of the ellipse 16x2 + 25y2 = 400 andPSQ is a focal chord such that SP = 16, then SQ =

Q4

Tangent at a point on the ellipse is drawn which cuts the coordinates axes at A and B. The minimum area of the triangleOAB is (O being origin)

Q5

The locus of the foot of the perpendicular from the foci on any tangent to the ellipse Q6

The locus of the point of intersection of tangents to the ellipse at the points whose eccentric angles differ by is

Q7

The locus of the point of intersection of tangents to the ellipse , which make complementary angles with x-axis, is

Q8

The locus of the foot of the perpendicular drawn from the centre of the ellipse on any tangent is

Q9 , be the end points of the latusrectum of the ellipse x2 + 4y2 = 4. The equations of parabolas with latusrectum PQ are

Q10

S(3, 4) and S’(9, 12) are two foci of an ellipse. If the foot of the perpendicular from S on a tangent to the ellipse has the coordinates (1, –4), then the eccentricity of the ellipse is