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Solve Simple Relationship

From: Thomas D. Dean
Subject: Solve Simple Relationship
Date: Fri, 27 Aug 2021 08:09:33 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0
I have a voltage divider I want to calibrate. I tried this by exchanging the resistors and measuring the resultant rfesistance. 

1.6516 = 3.3 * R1 / (R1 + R2)
1.6484 = 3.3 * R2 / (R1 + R2)

R1 is around 1005 ohms
R2 is around 1003 ohms

I think this is simple.  But evidently, it is beyond me.

Tom Dean
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