17-20 Use cylindrical or spherical coordinates to evaluate the integral. 17. . S 0 0 0...

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17-20 Use cylindrical or spherical coordinates to evaluate the integral. 17. ." S 0 0 0 LE" 6² 6 18. 19. √a²-x² ca²-x² - y² 20. -x² 2 √4-y² LE -3 3 19-y² S 0 √√9-y² x² dzdy dx (a > 0) 1-x²-y² e-(x² + y² +2²)³/² dzdy dx 8-x²-y² z² dz dx dy /x² + y² √9-x²-y² -√√9-x²-y² /x² + y² + z² dzdx dy 17-20 Use cylindrical or spherical coordinates to evaluate the integral. 17. ." S 0 0 0 LE" 6² 6 18. 19. √a²-x² ca²-x² - y² 20. -x² 2 √4-y² LE -3 3 19-y² S 0 √√9-y² x² dzdy dx (a > 0) 1-x²-y² e-(x² + y² +2²)³/² dzdy dx 8-x²-y² z² dz dx dy /x² + y² √9-x²-y² -√√9-x²-y² /x² + y² + z² dzdx dy