# Answer to Question #23247 in Integral Calculus for Matthew Lind

Question #23247

Evaluate the integral between (1,1) and (4,2): [(x+y)dx + (y-x)dy] Along

a) a straight line.

b) straight lines from (1,1) to (1,2) and then to (4,2).

c) the curve x = 2t^2 + t + 1, y = t^2 +1.

a) a straight line.

b) straight lines from (1,1) to (1,2) and then to (4,2).

c) the curve x = 2t^2 + t + 1, y = t^2 +1.

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