JEE MATHEMATICS MCQ: ELLIPSE

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Application +4 | -1

If the tangents on the ellipse

4{x^2} + {y^2} = 8

at the points (1, 2) and

(a,\,b)

are perpendicular to each other, then

{a^2}

is equal to

View answer and explanation

Correct option: D

\frac{2}{{17}}

Option D (

\frac{{2}}{{17}}

) is correct because it is the value of

{a^2}

obtained by using the perpendicularity condition of tangents and the equation of the ellipse.

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