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What is the speed of Arcturus;? Find the solution for the following exact differential equations. 2xy^2 + 4 = 2(3 - x^2y)y' ; y(-1) = 8? When point charges q1 = +2.1 μC and q2 = +9.4 μC are brought near each other, each experiences a force of 0.15 N. Distance between charge? Find the equation of the line that passes through the point -2, 12 and -5, 21? Needs some TLC by a music enthusiast? what is it mean? Thanks?