Showing that an element from a ring is idempotent - Linear Algebra #6

To show an element is idempotent we need to proof that the element multiplied with itself equals the element itself. In this task we also have two equations we need to proof with the help of the idempotence property.


⏰ Timeline

00:00 Task
00:38 Check idempotence with first equation
02:10 Check second equation

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