Calculus 3 Lesson 76: Intro to Line Integrals

Jun 09, 2026

Hi there! Today I have released Lesson 76 of my Calculus 3 series. In this lesson we begin learning about a new type of integral – the line integral!

In particular you will learn:

  1. What a line integral represents
  2. How to setup and evaluate a scalar line integral (2D and 3D)

I hope you find this new lesson to be helpful. Next time we will be continuing with line integrals, specifically focusing on line integrals of vector fields!

Until then,

- Josh

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