Evaluate the given integral by changing to polar coordinates where R is the region that lies to the left of the y-axis between the circles x2+y2 = 1 and x2+y2 = 4.

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A: F

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A: The Sum Rule ∫fx±gxdx=∫fxdx±∫gxdx The Power Rule: ∫xndx=xn+1n+1+C ; n≠-1

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