
9x2+5y2=1
e=1−95=32
a2=9,b2=5
Foci =(±ae,0)=(±2,0)
Ends of latus rectum=(±ae,±ab2)
=(±2,±35)
Tangent at 'L' is T=0
92×x+35×5y=1
It cuts coordinate axes at P(\frac{9}{2},0)&Q(0,3)
Area of quadrilateral PQRS=4 (Area of triangle OPQ)
=4(21×29×3)=27 sq. units