2021 AIME I #8

(Note: I have the wrong problem number written in the video whiteboard.)

Find the number of integers c such that the equation ||20|x|-x^2|-c|=21 has 12 distinct solutions.


Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s