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Mathematics 17 Online
OpenStudy (anonymous):

R(r1+r2)=r1-r2

OpenStudy (anonymous):

noted

OpenStudy (triciaal):

Where is the rest of the question?

OpenStudy (triciaal):

it is also true that r2(R +1) = r1(1 -R)

OpenStudy (anonymous):

i don't get it though how do you solve for r2?

OpenStudy (anonymous):

its R(r1+r2)=r1-r2; solve for r2

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