Porter, Michael E., and Christian H.M. Ketels. "Clusters and Industrial Districts - Common Roots, Different Perspectives." In The Handbook of Industrial Districts, edited by Giacomo Becattini, Marco ...

Roots are the opposite of powers. As 2 squared is 4, then a square root of 4 must be 2. \(2^2 = 4\). Reversing this gives \(\sqrt{4} = 2\). To find square roots or cube roots, work backwards from ...