The question is:
Let . Prove that if is a closed Jordan domain, and is Riemann integrable, then .
(How to relate the condition it's Riemann integrable to the value is ? The textbook I use define is integrable on iff )
The question is:
Let . Prove that if is a closed Jordan domain, and is Riemann integrable, then .
(How to relate the condition it's Riemann integrable to the value is ? The textbook I use define is integrable on iff )