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= \Re(e^{m\theta i}[2\cos(\theta)}^{m}])
S_U= 4\pi(2R)^2=16\piR^2 \newline S_L=4\pi(3R)^2=36\pi R^2 \newline V_U=\frac{4\pi(2R)^3}{3}=\frac{32\pi R^3}{3} \newline V_L=\frac{4\pi (3R)^3}{3}=36\pi R \newline \frac{dV_T}{dt}=kR^252\pi
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