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How does one "algebra"?? Find the solution for the following exact differential equations. 2xy^2 + 4 = 2(3 - x^2y)y' ; y(-1) = 8? Let theta be an angle in quadrant III such that tan theta =3/4. find the exact value of cos theta and csc theta? Why are double binary stars unlikely to hold life on any planet that orbits them particular the famous Zeta Reticuli? What is the potential difference between xi = 2.0 m and xf = 3.0 m ?