Two sides of a triangle inscribed in the ellipse x2/a2+y2/b2=1 are parallel to two given straight lines.Then the third touches
a.A hyperbola
b. parabola
c.ellipse
d.circle
Two sides of a triangle inscribed in the ellipse x2/a2+y2/b2=1 are parallel to two given straight lines.Then the third touches
a.A hyperbola
b. parabola
c.ellipse
d.circle