Can anyone helps me to understand that how the problem of output offset voltage can overcome in AC amplifier op amps

 

What is the problem in AC amps?
Normally the AC coupling blocks any DC voltages.

 

What is the problem in AC amps?
Normally the AC coupling blocks any DC voltages.

Thanks crutschow,
Now, I got my answer ,actually i was confused between ac and dc amps and as you said while dealing with AC ,it blocks DC.