- Thread starter
- #1

- Feb 5, 2012

- 1,621

I don't quite get what this question means. How do we convert the expression into the bilinear form first? Hope you people can give me some insight.

**Question:**

Find the rank of the bilinear function \((e^1+e^3)\otimes (e^2+e^4) - (e^2-e^4)\otimes (e_1-e_3)\).