## Level 3

Level 3 requires the basics of vector calculus, differential and integral calculus. Suitable for undergraduates and high school students.

# Video **Kronecker delta explained simply in 11 minutes!**

## Content of the video

- [00:00] Hello there!
- [00:42] Definition and Examples
- [01:52] Einstein's Summation convention
- [02:49] 4 Rules for Kronecker delta
- [06:38] Scalar product with Kronecker delta

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