1. Evaluate the given line integral, {-y,x – y) - dR, where C is the upper part of 22 + y? = 1 from (–1,0) to (1,0). Your answer 2. Evaluate the given line integral, -y, -y) - dR, where C is the line segment from (1,0) to (–1,0). Your answer 3. Evaluate the given line integral, I (-y,x – y)-Ř'(t) dt, where C1 is the curve in No. 1 and C1+C2 C2 is the curve in No. 2.

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