Test the universal claim “For every rational \(r\), \(\pi~r\) is irrational.” Use the \(\text{zero}~\text{case}\) and give the corrected statement.

Gozunta lets you study this problem—and more than 10,000 others.

Create targeted learning sessions, use hints, check your answer, read the walkthrough, watch the video, print the work, and track your progress.