Jawapan

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2016-09-22T14:42:54+08:00
V = (mt+n)^k
dV/dt = k(mt+n)^(k-1)×m = km(mt+n)^(k-1)

k=1; dV/dt = (1)m(mt+n)^(1-1) = m(mt+n)^(0) = m(1) = m
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