Brodetsky, Selig, 1888-1954 · London, G. Bell and Sons, Ltd. · leaf 83
CHAPTER IV NOMOGEAMS WITH TWO PARALLEL SCALES QUADEATIC EQUATIONS, ETC. 40. The Quadratic Equation. It is a very easy matter to construct a nomogram for the type of quadratic equation x'^+ax-hh=0, … for all values of a and h giving real solutions. For if we plot the parabola y=-x-, 65
Nomography (Mathematics)
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