Find the equivalent resistance of this circuit

[Deli Zhang]

This article https://delizhang.blogspot.com/2015/04/the-formula-for-equicalent-resistance.html gives a formula for calculating the equivalent resistance of an arbitrarily complex circuit, and you can get the answer by following it without having to think about it.

 

[haruspex]

This article https://delizhang.blogspot.com/2015/04/the-formula-for-equicalent-resistance.html gives a formula for calculating the equivalent resistance of an arbitrarily complex circuit, and you can get the answer by following it without having to think about it.

Very neat, but in the context of the problem in post #1, wouldn’t it be computationally more arduous than using symmetry?