Let r₁ and r₂ be the Radii of...... | JEE Main 2021 | Circle

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JEE MAIN 2021

20-07-2021 S2

Question

Let $r_1$ and $r_2$ be the radii of the largest and smallest circles, respectively, which pass through the point $(-4,1)$ and having their centres on the circumference of the circle $x^2+y^2+2 x+4 y-4=0$. If $\frac{r_1}{r_2}=a+b \sqrt{2}$, then $a$ +b is equal to :

Select the correct option:

A

3

B

11

C

5

D

7

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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