If e_1 and e_2 are the eccentricities of the ellipse, x^2/18+y^2/4=1 and the hyperbola, x^2/9-y^2/4=1 respectively and (e_1, e_2) is a point on the ellipse, 15x^2 + 3y^2 = k, then k is equal to : [9 Jan 2020 Shift 1]

JEE Main 9 Jan 2020 Shift 1 Solved Paper

Section: Mathematics

Question : 63 of 75

Marks: +1, -0

If e1 and e2 are the eccentricities of the ellipse,

=1 and the hyperbola,

−

=1 respectively and (e1,e2) is a point on the ellipse, 15x2+3y2=k, then k is equal to :

[9 Jan 2020 Shift 1]

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