Lorentz factor = 10^6, solving for Beta

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SUMMARY

The discussion focuses on solving for the velocity ratio β (v/c) of a particle with a Lorentz factor γ equal to one million. The equation (1-β²)^(-1/2) = 10^6 is manipulated to express β² in terms of a small parameter ε, leading to the approximation β = √(1-ε). The solution requires expanding the expression to first order in ε, ultimately yielding β = 0.999999. This method avoids the use of a calculator and emphasizes algebraic manipulation.

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Homework Statement


A particle moves such that its relativistic factor γ equals one million. Find β (=v/c).
Give answer in the form β = 0.999..., with correct number of nines before first non-nine digit. Do not use a calculator

Homework Equations



(1-β^2)^(-1/2) = 10^6


The Attempt at a Solution



I've messed around algebraically in a few ways, and tried the binomial approximation, but can't seem to find a way to deal with the β^2 without a calculator.
 
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Try to manipulate γ = 106 into an expression for β2 of the form β2 = 1-ε where ε is a very small number that you will determine.

Then β = \sqrt{1-ε}. Expand this to first order in ε.
 

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