1. Consider [3+5+2+1+1+2= 14 marks] 3 0I

l. Consider 3 1 (a) Sketch at least two periods of each of these periodic extensions of f.... as a periodic function of period 4 as the even periodic extension as the odd periodic extension. (b) Compute the Fourier series for the even periodic extension. [3+5+2+1 +2=14 marks]