1. Meanwhile,it also points out that the methods of derivative can be more extentively applied in the research on tangent of the curve, which proves the important thought of the combination of figure and chart. 同时导数方法在研究曲线的切线方面更有广泛的应用,也体现了数形结合的重要思想。
1) tangent points of the curve 曲线起迄点2) origin-destination service 起迄点直达线路3) origin-destination survey, OD survey 起迄点调查4) beginning and end of water way 通航起迄点5) termini of the voyage 航程起迄点6) the starting point of curves 曲线起点...
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Answer to: Write down the equations of tangent lines to the curve of the implicit function x^2 + 2x + 2y^2 - 4y = 5 that are normal to the line y...
1.a line or plane that touches but does not intersect a curve or surface at a point so that it is closer to the curve or surface in the vicinity of the point than any other line or plane drawn through the point. 2.Also calledtan.a fundamental trigonometric function that, in a right...
The slope of the tangent of the curve y=int0^x (dx)/(1+x^3) at the point where x = 1 is
aFind the equation of the tangent to the curve 4x2 + 3y2 = 7 at the point (1,1) . 发现正切的等式对曲线4x2 + 3y2 = 7在点 (1,1) 。[translate]
从导数的定义证明，导数的定义就是由y(x+△x)趋近到y(x)在增量△x趋近于0时的趋近率，核心知识点就是求极限值，直线时候即是斜率值。则y'=lim△x→0[(y(x+△x))-y(x))/(x+△x-x)]=lim△x→0[((x+△x)n-xn)/△x]=nxn-1。(分子用Cknxk△x(n-k)拆开，很简单证明之)。
This given problem is from the application of derivative and we have to find out the equation of the tangent line. The tangent of the curve {eq}f(x) {/eq} is: {eq}\ y=mx+b. {/eq} To solve this problem, we need to find out {eq}m {/eq} ...
x=tcos t, y=tsin t; t=π t=π , t=π , and t=π . When t=π, (x,y)=(-π ,0) and (x,y)=(-π ,0), so an equation of the tangent to the curve at the point corresponding to t=π is y-0=π [x-(-π )], or y=π x+π ^2.反馈...