(10 pts) Let γ = [1, 2] + α + [2i, i] − β where α(t) = 2e it, and β(t) = e it for 0 ≤ t ≤ 5π/2. Decide if γ ∼ 0 in the following sets. (a) C∖[0, 1/2]; (b) C∖{2 1/3 + i2 1/3}

 (10 pts) Let γ = [1, 2] + α + [2i, i] − β where α(t) = 2e it, and β(t) = e it for 0 ≤ t ≤ 5π/2. Decide if γ ∼ 0 in the following sets. (a) C∖[0, 1/2]; (b) C∖{2 1/3 + i2 1/3}

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  1. (10 pts) Let γ = [ 1 , 2 ] + α + [ 2 i , i ] β where α ( t ) = 2 e i t , and β ( t ) = e i t for 0 t 5 π / 2 . Decide if γ 0 in the following sets.
    (a) C [ 0 , 1 / 2 ] ;
    (b) C { 2 1 / 3 + i 2 1 / 3 }

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