Op-Amp negative resistor converter circuit made using diode

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resistooor

Joined Dec 5, 2020
1
Hello, I have a problem with resistor conversion. I figured it out when there were 3 resistors but when I put a diode in place of the R2 resistor I had a hard time. I did the last solution as follows. Where is my error can you help?IMG_20201205_141822.jpg
 
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