find the Fourier series coefficient of the signal x(t) = 1+ sin π/2 t
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A lamp filament radiates energy at a rate of 100 W when the temperature of the surroundings is 20.0°C, and only 99.5 W when the surroundings are at 30.0°C. If the temperature of the filament is the same in each case, what is its temperature in Celsius?
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