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Mathematics 19 Online
OpenStudy (anonymous):

f=uv/u+v Make v the subject of the equation showing your working f=uv/u+v Make v the subject of the equation showing your working @Mathematics

OpenStudy (asnaseer):

\[f=uv/(u+v)\]\[f(u+v)=uv\]\[fu+fv=uv\]\[fu=uv-fv=(u-f)v\]\[fu/(u-f)=v\]\[v=fu/(u-f)\]

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