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Session 2: Integration

Completion requirements

The figure shows a contour capital gamma made up of four paths added together. The first path starts from an arbitrary point, but each of the subsequent paths start from the end of that which was previous. The first path labelled capital gamma sub 1 is a slight curve downwards from left to right. The second labelled capital gamma sub 2 is a vertical line pointing down. The third capital gamma sub 3 is a slight curve downwards from right to left but not as steep as capital gamma sub 1. The final path capital gamma sub 4 is a slight horizontal curve going from left to right. There are arbitrary points marked and labelled initial point and final point to show the start and end of the contour. All four paths are marked with arrows in a general direction from initial point to final point.