Exercise 7. Let f(z)=4Re(z) and C be the line segment connecting 1+i to 0. Then the integral of f over C is equal to * -2(1+i) O 2(1+i) 4(1-i) None of these Exercise 8. let C be any closed simple curve and f(2)=lz+il. Then the integral of f over C is 0. * True False

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