Question 6. A waveform, f(t), with period 24ms (milliseconds) is sampled every 4ms to give t (ms) 04 8 12 16 20 24 f(t) 1.8 qr 1.9 0.4 p (i) Determine the Fourier series representation for f(t) up to and including the third harmonic. (ii) Graph the amplitudes (spectrum) of the first 3 harmonics and caleulate the percentage third harmonic.

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.