MathDB

15

Part of 2003 Purple Comet Problems

Problems(1)

Problem 15, Fall 2003 , MS and HS

Source:

6/23/2011
Let rr be a real number such that r3−1r3=2\sqrt[3]{r} - \frac{1}{\sqrt[3]{r}}=2. Find r3−1r3r^3 - \frac{1}{r^3}.