Calculating Area of Intersected Cylinders Using Line Integral

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SUMMARY

The discussion focuses on calculating the area of intersected circular cylinders using line integrals. Specifically, two cylinders of radius 'a' intersect at right angles, and the solution involves parametrizing one cylinder in cylindrical coordinates. The key to solving the problem lies in defining the bounds of integration by projecting the second cylinder onto a circle. This approach clarifies the application of line integrals in this context.

PREREQUISITES
  • Cylindrical coordinates
  • Line integral formula
  • Understanding of circular cylinder geometry
  • Basic integration techniques
NEXT STEPS
  • Study the application of line integrals in vector calculus
  • Learn about parametrization techniques in cylindrical coordinates
  • Explore the geometric properties of intersecting cylinders
  • Investigate advanced integration techniques for complex shapes
USEFUL FOR

Students in calculus, particularly those studying vector calculus and line integrals, as well as educators looking for practical examples of geometric applications in integration.

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Homework Statement



Two circular cylinders of radius a intersect so that their axes meet at right angles. Use a line integral to find the area of the part from one cut off by the other.

Homework Equations



line integral formula

The Attempt at a Solution



I'm lost as to where to set up the bounds and what to integrate.. thanks in advance for any help!
 
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Greetings! First parametrize one of the cylinders in cylindrical coordinates. Then try defining the bounds of integration using these coordinates (project the second cylinder down onto a circle).
 


I got it! Thanks so much for your help! I wan't really understanding what line integrals were doing until now and it makes a lot more sense.. Thank you!
 

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