3. Let 1:.-: if 1s:r<. ....="{" ifcrql find the full fourier series of r in interval l write rst three nonzero terms explicitly use ma to plot and truncated with n="2,8," sum on a: a e separate graph for each d jn pair total graphs do you observe pointwise convergence what happens at jumps does converge l2 sense explain. known theorem rather than computing directly. same goes next two questions. it uniformly x explain>