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Question 13.8: Find the area under z(t ) = e^2t from t = 1 to t = 3....
Engineering Mathematics A foundation for Electronic, Electrical, Communications and Systems Engineers [1040491]
Find the area under
z(t ) = e^{2t}
from t = 1 to t = 3.
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\begin{aligned}\text { Area } & =\int_1^3 z \mathrm{~d} t=\int_1^3 \mathrm{e}^{2 t} \mathrm{~d} t=\left[\frac{\mathrm{e}^{2 t}}{2}\right]_1^3 \\& =\left[\frac{\mathrm{e}^6}{2}\right]-\left[\frac{\mathrm{e}^2}{2}\right]=198\end{aligned}
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