The eccentricity of the ellipse $25{x^2} + 16{y^2} = 100$, is

  • A

    $\frac{5}{{14}}$

  • B

    $\frac{4}{5}$

  • C

    $\frac{3}{5}$

  • D

    $\frac{2}{5}$

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Let $T_1$ and $T_2$ be two distinct common tangents to the ellipse $E: \frac{x^2}{6}+\frac{y^2}{3}=1$ and the parabola $P: y^2=12 x$. Suppose that the tangent $T_1$ touches $P$ and $E$ at the point $A_1$ and $A_2$, respectively and the tangent $T_2$ touches $P$ and $E$ at the points $A_4$ and $A_3$, respectively. Then which of the following statements is(are) true?

($A$) The area of the quadrilateral $A_1 A _2  A _3 A _4$ is $35$ square units

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($C$) The tangents $T_1$ and $T_2$ meet the $x$-axis at the point $(-3,0)$

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  • [IIT 2023]