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Transcribed Image Text:Let a string of length |a is fixed at the two ends. It is picked in the middle and moved up so that profile of the string is given in mathematical terms as, Y0<x<a/2 E*+na/2<x<a Calculate the expans ion coefficients of the first two harmonic modes.

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Let a string of length a is fixed at the two ends. It is picked in the middle and moved up so that profile of the string is given in mathematical terms as, |y(x) = 0