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Exercise

∫07(−5e−5t⋅ cos(20πt)et−7)dt\int_0^7\left(-5e^{-5t}\cdot\:cos\left(20\pi t\right)e^{t-7}\right)dt

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Final answer to the exercise

8.1×10−4(−5(−0.25⋅e−35cos⁡(140π)+0.25⋅e−7)−19.6349541⋅e−35sin⁡(140π))8.1\times 10^{-4}\left(-5\left(-0.25\cdot e^{-35}\cos\left(140\pi \right)+0.25\cdot e^{-7}\right)-19.6349541\cdot e^{-35}\sin\left(140\pi \right)\right)

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∫07(−5e−5t· cos(20πt)et−7)dt
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