Question: Suppose that E is a Jordan region in Rn and that f, g: E R is integrable on E. a) Modifying the proof of

Suppose that E is a Jordan region in Rn and that f, g: E → R is integrable on E.
a) Modifying the proof of Corollary 5.23, prove that fg is integrable on E.
b) Prove that f ⋁ g and f ⋀ g are integrable on E (see Exercise 3.1.8).

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