Minimize f(x, y, z) = xy + xz+yz subject to x² + y² + z² = If R = [0, ] ×[1, 2], compute fr sin(xy) dA. Т 2 -2

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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### Calculus Problems

3. **Minimize**  
   Minimize \( f(x, y, z) = xy + xz + yz \) subject to \( x^2 + y^2 + z^2 = 2 \) and \( z = 1 \).

4. **Double Integral Calculation**  
   If \( R = [0, \pi] \times [1, 2] \), compute  
   \[
   \iint_R x \sin(xy) \, dA.
   \]

5. **Evaluate the Double Integral**  
   Evaluate  
   \[
   \int_0^2 \int_0^2 \sin(x^2/2) \, dx \, dy.
   \]
Transcribed Image Text:### Calculus Problems 3. **Minimize** Minimize \( f(x, y, z) = xy + xz + yz \) subject to \( x^2 + y^2 + z^2 = 2 \) and \( z = 1 \). 4. **Double Integral Calculation** If \( R = [0, \pi] \times [1, 2] \), compute \[ \iint_R x \sin(xy) \, dA. \] 5. **Evaluate the Double Integral** Evaluate \[ \int_0^2 \int_0^2 \sin(x^2/2) \, dx \, dy. \]
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