Hi, can someone help me with the following question? I don't know how to approach the proof(adsbygoogle = window.adsbygoogle || []).push({});

If a < b and c < d then ac < bd is true, supply a proof.

Thanks!

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Inequalites help!

**Physics Forums | Science Articles, Homework Help, Discussion**