A) \[\left( \frac{m+1}{m} \right)f\]
B) (m ?1)f
C) \[\left( \frac{m-1}{m} \right)f\]
D) \[\frac{m+1}{f}\]
Correct Answer: A
Solution :
\[m=\frac{f}{f+u}\Rightarrow -\,m=\frac{f}{f+u}\Rightarrow u=-\left( \frac{m+1}{m} \right)f\]You need to login to perform this action.
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