Find the (unique) Laurent expansion of each of the following functions in each of its regions of analyticity: sinh z – z (d) 1 1 (a) (z – 2)(z – 3)* (b) z cos(22). (c) 22(1 24 22 – 4 1 (e) (1 – z)3* 1 1 (f) z² – 1° (g) 22 – 9* (h) (2² – 1)2 ° (i) – - Z