Unknown parallel resistance

WBahn

Joined Mar 31, 2012
25,590
I have this question where (1)Ri=R1//R2=100k. after calculating
I got R1= 383K.
How can I get R2 from equation (1)1
You have an equation for Ri in terms of R1 and R2.

You know Ri and you know R1.

Solve the equation for R2.

Show you work (best attempt) and we can help you through your difficulty.
 
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