Hi, does anybody know how to prove the following statement:

For each real number r, -|r|£ r £ |r|.

by using two cases in the proof.

Printable View

- Sep 2nd 2007, 07:01 AMfruitcakeloverUsing cases in proofs
Hi, does anybody know how to prove the following statement:

For each real number r, -|r|£ r £ |r|.

by using two cases in the proof. - Sep 2nd 2007, 07:38 AMThePerfectHacker