If the length of the latus rectum of the ellipse x^2+4 y^2+2 x+8 y-\lambda=0 is 4 , and l is the length of its major axis, then \lambda+l is equal to ________. [27-Jul-2022-Shift-1]

JEE Mains 27-July-2022 Shift 1 Solved Paper

Section: Mathematics

Question : 29 of 90

Marks: +1, -0

If the length of the latus rectum of the ellipse x2+4y2+2x+8y−λ=0 is 4 , and l is the length of its major axis, then λ+l is equal to ________.

[27-Jul-2022-Shift-1]

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