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Find the area of the region that lies inside the first curve and outside the second curve. r = 3 + cos(θ), r = 4 − cos(θ)? Help me to correct my problem about this inequality please.. My answer is - 6 < x < 8 but the answer optional in the middle is 48/x,? For each of the following statements, find a negation.? Why would melting point of sodium chloride be lower than calcium oxide? Dy/dt=ay^2+by+c which values of a,b,c determine that this differential equation stable or unstable?