If `F_1`
and `F_2`
are the
feet of the perpendiculars from the foci `S_1a n dS_2`
of the
ellipse `(x^2)/(25)+(y^2)/(16)=1`
on the
tangent at any point `P`
on the
ellipse, then prove that `S_1F_1+S_2F_2geq8.`
A
`S_(1)F_(1)+S_(2)F_(2) ge 2`
B
`S_(1)F_(1)+S_(2)F_(2) ge 3`
C
`S_(1)F_(1)+S_(2)F_(2) ge 6`
D
`S_(1)F_(1)+S_(2)F_(2) ge 8`
Text Solution
Verified by Experts
The correct Answer is:
D
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