1. If C is the line segment from O to 1 + i, then 2. If C is the line segment from O to 1, followed by the line segment from 1 to 1 + i, then 3. If C is the upper half, from 4. If C is the circle centre O, radius k and fully traversed, then |
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1. If C is the line segment from O to 1 + i, then 2. If C is the line segment from O to 1, followed by the line segment from 1 to 1 + i, then 3. If C is the upper half, from 4. If C is the circle centre O, radius k and fully traversed, then |
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2z dz = 2i.
to 0, of the circle | z | = 
2, then 
dz = 2
2