a) Show that the integral represents the indicated function. (6 Marks) 6.00 w-sin(w) sin (wx) dw. = w2 b) Find the Fourier transform of f(x). (6 Marks) if-9 < x < 0 if 0 < x < 9 otherwise f(x) = -9 { 9 0 FIN HR X x if 0 < x < X > T 0 if