absolute value( [tex]\int{fg}[/tex]) [tex]\leq[/tex][([tex]\int{f}[/tex][tex]^{2}[/tex])([tex]\int{g}[/tex][tex]^{2}[/tex])][tex]^{1/2}[/tex](adsbygoogle = window.adsbygoogle || []).push({});

all integrals are from a to b

does anyone have any idea of a proof for this?

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

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!

# Cauchy-Bunyakovsky-Schwarz inequality

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