SOLUTION: R(r1 + r2) = r1r2, for r2

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Question 95176This question is from textbook
: R(r1 + r2) = r1r2, for r2 This question is from textbook

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
R(r1+r2)=r1r2
Rr1+Rr2=r1r2
Rr2-r1r2=-Rr1
r2(R-r1)=-Rr1
r2=-Rr1/(R-r1) ANSWER.