exercise:542af557f5: Difference between revisions

From Stochiki
(Created page with "<div class="d-none"><math> \newcommand{\ex}[1]{\item } \newcommand{\sx}{\item} \newcommand{\x}{\sx} \newcommand{\sxlab}[1]{} \newcommand{\xlab}{\sxlab} \newcommand{\prov}[1] {\quad #1} \newcommand{\provx}[1] {\quad \mbox{#1}} \newcommand{\intext}[1]{\quad \mbox{#1} \quad} \newcommand{\R}{\mathrm{\bf R}} \newcommand{\Q}{\mathrm{\bf Q}} \newcommand{\Z}{\mathrm{\bf Z}} \newcommand{\C}{\mathrm{\bf C}} \newcommand{\dt}{\textbf} \newcommand{\goesto}{\rightarrow}...")
 
No edit summary
 
Line 34: Line 34:
Consider a point <math>(x_1,y_1)</math> on the graph of
Consider a point <math>(x_1,y_1)</math> on the graph of
<math>y^2 = 4ax</math>.
<math>y^2 = 4ax</math>.
<ul style{{=}}"list-style-type:lower-alpha"><li></li>
 
<li>lab{3.2.5a}
<ul style{{=}}"list-style-type:lower-alpha">
Find the slope of the tangent to the graph at <math>(x_1,y_1)</math>.</li>
<li>Find the slope of the tangent to the graph at <math>(x_1,y_1)</math>.</li>
<li>Write an equation of the tangent line in \ref{ex3.2.5a}.</li>
<li>Write an equation of the tangent line in (a).</li>
<li>Show that <math>yy_1 = 2a(x+x_1)</math> is an equation of
<li>Show that <math>yy_1 = 2a(x+x_1)</math> is an equation of
the tangent line.</li>
the tangent line.</li>
</ul>
</ul>

Latest revision as of 01:35, 23 November 2024

[math] \newcommand{\ex}[1]{\item } \newcommand{\sx}{\item} \newcommand{\x}{\sx} \newcommand{\sxlab}[1]{} \newcommand{\xlab}{\sxlab} \newcommand{\prov}[1] {\quad #1} \newcommand{\provx}[1] {\quad \mbox{#1}} \newcommand{\intext}[1]{\quad \mbox{#1} \quad} \newcommand{\R}{\mathrm{\bf R}} \newcommand{\Q}{\mathrm{\bf Q}} \newcommand{\Z}{\mathrm{\bf Z}} \newcommand{\C}{\mathrm{\bf C}} \newcommand{\dt}{\textbf} \newcommand{\goesto}{\rightarrow} \newcommand{\ddxof}[1]{\frac{d #1}{d x}} \newcommand{\ddx}{\frac{d}{dx}} \newcommand{\ddt}{\frac{d}{dt}} \newcommand{\dydx}{\ddxof y} \newcommand{\nxder}[3]{\frac{d^{#1}{#2}}{d{#3}^{#1}}} \newcommand{\deriv}[2]{\frac{d^{#1}{#2}}{dx^{#1}}} \newcommand{\dist}{\mathrm{distance}} \newcommand{\arccot}{\mathrm{arccot\:}} \newcommand{\arccsc}{\mathrm{arccsc\:}} \newcommand{\arcsec}{\mathrm{arcsec\:}} \newcommand{\arctanh}{\mathrm{arctanh\:}} \newcommand{\arcsinh}{\mathrm{arcsinh\:}} \newcommand{\arccosh}{\mathrm{arccosh\:}} \newcommand{\sech}{\mathrm{sech\:}} \newcommand{\csch}{\mathrm{csch\:}} \newcommand{\conj}[1]{\overline{#1}} \newcommand{\mathds}{\mathbb} [/math]

Consider a point [math](x_1,y_1)[/math] on the graph of [math]y^2 = 4ax[/math].

  • Find the slope of the tangent to the graph at [math](x_1,y_1)[/math].
  • Write an equation of the tangent line in (a).
  • Show that [math]yy_1 = 2a(x+x_1)[/math] is an equation of the tangent line.