Answer:
It think it is A brainliest?
Step-by-step explanation:

Suppose we choose a path along the

-axis, so that

:

On the other hand, let's consider an arbitrary line through the origin,

:

The value of the limit then depends on

, which means the limit is not the same across all possible paths toward the origin, and so the limit does not exist.
The enclosing boundary of a curved geometric figure, especially a circle.