For the given circle $2x^2 + 2y^2 = 5$ and the parabola $y^2 = 4\sqrt{5}x$:
Statement-$I$: The equation of the common tangent to these curves is $y = x + \sqrt{5}$.
Statement-$II$: If the line $y = mx + \frac{\sqrt{5}}{m} (m \neq 0)$ is a common tangent,then $m$ satisfies $m^4 - 3m^2 + 2 = 0$.

  • A
    Statement-$I$ is true,Statement-$II$ is true. Statement-$II$ is the correct explanation for Statement-$I$.
  • B
    Statement-$I$ is true,Statement-$II$ is true. Statement-$II$ is not the correct explanation for Statement-$I$.
  • C
    Statement-$I$ is true,Statement-$II$ is false.
  • D
    Statement-$I$ is false,Statement-$II$ is true.

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Similar Questions

Given the circle $C$ with the equation $x^2+y^2-2x+10y-38=0$. Match the List-$I$ with the List-$II$ given below concerning $C$.
List-$I$List-$II$
$A$. The equation of the polar of $(4, 3)$ with respect to $C$$I$. $y+5=0$
$B$. The equation of the tangent at $(9, -5)$ on $C$$II$. $x=1$
$C$. The equation of the normal at $(-7, -5)$ on $C$$III$. $3x+8y=27$
$D$. The equation of the diameter passing through $(1, -5)$ and $(1, 3)$$IV$. $x=9$

Answer the following by appropriately matching the lists based on the information given in the paragraph.
Let the circles $C_1: x^2+y^2=9$ and $C_2: (x-3)^2+(y-4)^2=16$ intersect at the points $X$ and $Y$. Suppose that another circle $C_3: (x-h)^2+(y-k)^2=r^2$ satisfies the following conditions:
$(i)$ The centre of $C_3$ is collinear with the centres of $C_1$ and $C_2$.
$(ii)$ $C_1$ and $C_2$ both lie inside $C_3$.
$(iii)$ $C_3$ touches $C_1$ at $M$ and $C_2$ at $N$.
Let the line through $X$ and $Y$ intersect $C_3$ at $Z$ and $W$,and let a common tangent of $C_1$ and $C_3$ be a tangent to the parabola $x^2=8 \alpha y$.
There are some expressions given in $List-I$ whose values are given in $List-II$ below:
$List-I$$List-II$
$(I) \ 2h + k$$(P) \ 6$
$(II) \ \frac{\text{Length of } ZW}{\text{Length of } XY}$$(Q) \ \sqrt{6}$
$(III) \ \frac{\text{Area of triangle } MZN}{\text{Area of triangle } ZMW}$$(R) \ \frac{5}{4}$
$(IV) \ \alpha$$(S) \ \frac{21}{5}$
$(T) \ 2\sqrt{6}$
$(U) \ \frac{10}{3}$

$(1)$ Which of the following is the only $INCORRECT$ combination?
$(1) (IV), (S) \quad (2) (IV), (U) \quad (3) (III), (R) \quad (4) (I), (P)$
$(2)$ Which of the following is the only $CORRECT$ combination?
$(1) (II), (T) \quad (2) (I), (S) \quad (3) (I), (U) \quad (4) (II), (Q)$

If the variable line $3x + 4y = \alpha$ lies between the two circles $(x - 1)^2 + (y - 1)^2 = 1$ and $(x - 9)^2 + (y - 1)^2 = 4$ without intercepting a chord on either circle,then the sum of all the integral values of $\alpha$ is .... .

The equation of a common tangent to the circle $x^2+y^2=4$ and the ellipse $2x^2+25y^2=50$ is

Prove that the curves $y^{2}=4x$ and $x^{2}+y^{2}-6x+1=0$ touch each other at the point $(1,2)$.

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