15_R_2 - = Z 2 ( 22 t + 2 ) dt = 48 .

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2. can be parametrized x = t , y = 2 t , z = t + 4 t 2 , ( 0 t 2 ) . Thus Z 2 y dx + x dy + 2 dz = Z 2 0 [4 t ( 1 ) + t ( 2 ) + 2 ( 1 + 8 t ) ] dt
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Unformatted text preview: = Z 2 ( 22 t + 2 ) dt = 48 ....
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