15_4_18 - 18 is made up of four segments as shown in the...

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Unformatted text preview: 18. is made up of four segments as shown in the figure. On 1 , y = 0, dy = 0, and x goes from 0 to 1. On 2 , x = 1, d x = 0, and y goes from 0 to 1. On 3 , y = 1, dy = 0, and x goes from 1 to 0. On 4 , x = 0, d x = 0, and y goes from 1 to 0. 1 2 3 1 =0+ 0 dy + 0 + 0 = 1 + 2 y dx = + 1 + 3 0 =0+0+ 1 y d x + 0 = -1. 3 (1,1) 2 4 1 Fig. 4-18 x dy = + + + 4 4 x ...
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