A) \[a(e+\cos \theta )\]
B) \[a(e-\cos \theta )\]
C) \[a(1+e\cos \theta )\]
D) \[a(1+2e\cos \theta )\]
Correct Answer: C
Solution :
Focal distance of any point P (x,y) on the ellipse is equal to \[SP=a+ex\]. Here \[x=a\cos \theta \] Here\[SP=a+ae\cos \theta =a(1+e\cos \theta )\].You need to login to perform this action.
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