Find the average value of f(x,y) = sin(x + y) over a. the rectangle 0≤x≤л/3, 0≤ y ≤7π/6 b. the rectangle 0≤x≤2π/3, 0≤ y ≤ 4л/3 a. The average value of fis (Type an exact answer, using as needed.)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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**Problem Statement:**

Find the average value of \( f(x,y) = \sin(x + y) \) over:

a. The rectangle \( 0 \leq x \leq \pi/3 \), \( 0 \leq y \leq 7\pi/6 \)

b. The rectangle \( 0 \leq x \leq 2\pi/3 \), \( 0 \leq y \leq 4\pi/3 \)

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**Question:**

a. The average value of \( f \) is \([ \text{input box} ]\).  
(Type an exact answer, using \(\pi\) as needed.)
Transcribed Image Text:**Problem Statement:** Find the average value of \( f(x,y) = \sin(x + y) \) over: a. The rectangle \( 0 \leq x \leq \pi/3 \), \( 0 \leq y \leq 7\pi/6 \) b. The rectangle \( 0 \leq x \leq 2\pi/3 \), \( 0 \leq y \leq 4\pi/3 \) --- **Question:** a. The average value of \( f \) is \([ \text{input box} ]\). (Type an exact answer, using \(\pi\) as needed.)
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