3) Find the laurent series expansion for: a) z² sin 2, O D on i) 1 2 iii) D< /Z-11 <1 0<12/21 e) Let f(z) = √7²-3Z+2²₁ 1 <12/<<2. Does the laurent series expansion for f(z) exist? Justify your answer. 1-cosz (2-21)3 b) Z-7 Z²+Z-2 2+32 d) z ² + Z²
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Hi I,need help with 3a) and d)
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