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Back to Complex Analysis
Intermediate 10 Hours Article 20.12–20.14

Complex Integration & Cauchy's Theorem

Line integrals, Cauchy's theorem, and the integral formula

✓ Live group sessions (full course duration) ✓ Dedicated doubt-clearing within the batch

Pricing (per student)

10+ students
₹175 / hr
Total: ₹1,750
15+ students
₹150 / hr
Total: ₹1,500
20+ students
₹125 / hr
Total: ₹1,250

Prerequisites

  • Completion of Introduction to Complex Analysis and Cauchy-Riemann Equations (or equivalent)
  • Understanding of contour integration concepts

Overview

Covers complex line integrals, Cauchy's theorem, and Cauchy's integral formula — with strong emphasis on exam-level problem-solving. Students evaluate contour integrals and apply the integral formula to find derivatives of analytic functions.

Topics

HourTopicDetails
1Line Integral of a Complex FunctionDefinition, examples, and properties.
2Evaluation of Line IntegralsDirect integration and parameterisation.
3Cauchy's TheoremStatement, proof outline, and applications.
4Simply vs. Multiply Connected DomainsExplanation with diagrams and examples.
5Cauchy's Integral FormulaStatement, proof outline, and applications.
6Problem-Solving (Article 20.12, 20.13, 20.14)Solving standard exam problems on Cauchy's theorem.
7Derivatives via Cauchy's Integral FormulaFinding higher-order derivatives of analytic functions.
8Zeros, Singularities & Residues (Intro)Overview — zeroes, poles, residues.
9Additional Problem-Solving SessionFurther practice with complex integration problems.
10Recap & Doubt ClearingRevision and timed Q&A session.

Expected Outcomes

  • Evaluate line integrals of complex functions.
  • Apply Cauchy's theorem and integral formula confidently.
  • Solve exam-level problems on complex integration.