Y by
Benedek draws circles with the same center in the following way. The first circle he draws has radius
. Next, he draws a second circle such that the ring between the first and second circles has twice the area of the first circle. Next, he draws a third circle such that the ring between the second and third circles is three times the area of the first circle, and so on (see the diagram).
What is the smallest
fow which the radius of the
-th circle is an integer greater than
?


What is the smallest




This post has been edited 2 times. Last edited by parmenides51, Dec 12, 2022, 6:02 AM