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Find the slope of the tangent line to the curve y = x/(1-x) at the point (.5,1). Find the equation of that tangent line.? Why hydrogen bonding in HF molecule is shown in zigzag form? 2(3+X) = 8? If you're given 2 system of equations that are planes, and you are given a point, how to find equation of line perpendicular to given? The table shows the heights and weights of a few students in a class.?