waecmaths question:
Make f the subject of the relation $v=u+ft$
Option A:
$\tfrac{v-u}{t}$
Option B:
$\tfrac{u-v}{t}$
Option C:
$t(v+u)$
Option D:
$\tfrac{v}{u}-t$
waecmaths solution:
$\begin{align} & v=u+ft \\ & ft=v-u \\ & f=\frac{v-u}{t} \\\end{align}$
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