Solve
- $\frac { 1 } { \mathrm {~A} } = \frac { 1 } { \mathrm {~m} } + \frac { 1 } { \mathrm { t } }$

question 74

Multiple Choice

Solve.
- $\frac { 1 } { \mathrm {~A} } = \frac { 1 } { \mathrm {~m} } + \frac { 1 } { \mathrm { t } }$ , for $\mathrm { t }$

• A) \(t = 2 - \frac { m A } { m - A }\)
• B) \(t = 1 + \frac { m A } { m - A }\)
• C) \(t = \frac { m A } { m - A }\)
• D) \(t = \frac { \mathrm { m } - \mathrm { A } } { \mathrm { mA } }\)

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