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WAEC - Mathematics (2005 - No. 14)

Make f the subject of the relation \(v = u + ft\)
\(\frac{v-u}{t}\)
\(\frac{u-v}{t}\)
\(t(v+u\)
\(\frac{v}{u}-t\)

解释

\(v=u+ft \Rightarrow v-u=ft\Rightarrow f=\frac{v-u}{t}\)

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