1.

If the normal at any point on the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1. Meet the major & minor axes at G and g such that PG: Pg=1:5 and area of Delta CBS=10 sq. units C is centre of ellipse S is focus & B in one endof minor axis, then

Answer»

Equation of ELLIPSE `(X^(2))/(50)+(y^(2))/(10)=1`
Equation of ellipse `(x^(2))/(25)+(y^(2))/(5)=1`
Equation of director of ellipse is `x^(2)+y^(2)=60`
Equation f director CIRCLE of ellipse `x^(2)+y^(2)=30`

Answer :A::C


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