Matrix element of Position Operator For Hydrogen Atom

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SUMMARY

The matrix element of the position operator for the hydrogen atom, specifically for the quantum state nlm = 211, is calculated as (1/2)*((z/ao)**9), where ao represents the Bohr radius. The radial position operator R is defined as (X² + Y² + Z²)½. The discussion emphasizes the need for verification of the mathematical derivation due to its complexity.

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Find <nlm|(1/R)|nlm> for the hydrogen atom (nlm = 211), R is just the radial position Operator (X2 + Y2 + Z2)½.
 
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I got (1/2)*((z/ao)**9))

ao = bohr radius

Z= Atomic #


would help if someone could double check for me kind of messy math
 

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