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The normal at an end of a latus rectum of the ellipse x^2/a^2 +y^2/b^2 = 1 passes through an end of the minor axis, if:

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The normal at an end of a latus rectum of the ellipse x2/a2 +y2/b2 = 1  passes through an end of the minor axis, if: 

(A) e4 + e2 = 1

(B) e3 + e2 = 1

(C) e2 +e = 1

(D) e3 +e = 1

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1 Answer

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Best answer

Correct option (A) e4 + e2 = 1  

Explanation:

Consider normal at positive end of latus rectum from above equation of normal is 

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