Solution 2.1:1g - Revision history

Tek at 07:58, 23 September 2008

Tek — Tue, 23 Sep 2008 07:58:31 GMT

←Older revision		Revision as of 07:58, 23 September 2008
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-	~~{{NAVCONTENT_START}}~~	+	The expression in the exercise is of the form <math> (a-b)^2 </math>, where <math> a=y^2</math> and <math> b=3x^2 </math>. With the help of the squaring rule <math> (a-b)^2 =a^2 -2ab +b^2 </math>, we have

-	~~The expression in the exercise is of the form <~~math~~> (a-b)^2 </math>, where <math> a=y^2</math> and <math> b=3x^2 </math>. With the help of the aquaring rule <math> (a-b)^2 =a^2 -2ab +b^2 </math>, we have~~	+	{{Displayed math\|\|<math>\begin{align}
-		+	(y^2-3x^3)^2 &= (y^2)^2 -2\cdot y^2\cdot 3x^3 +(3x^3)^2 \\[3pt]
-	<math> \begin{align} ~~\qquad~~	+	&= y^{2\cdot 2} -6x^3y^2 +3^2x^{3\cdot 2}\\[3pt]
-	(y^2-3x^3)^2 &= (y^2)^2 -2y^2\cdot 3x^3 +(3x^3)^2 \\	+	&= y^4 -6x^3y^2 +9x^6\\[3pt]
-	&= y^{2\cdot 2} -6x^3y^2 +3^2x^{3\cdot 2}\\	+	&= 9x^6 -6x^3y^2 +y^4\,\textrm{.}
-	&= y^4 -6x^3y^2 +9x^6\\	+	\end{align}</math>}}
-	&= 9x^6 -6x^3y^2 +y^4	+
-	\end{align}	+
-	</math>	+
-	~~<!-- <center> [[Image:2_1_1g.gif]] </center> -->~~	+
-	~~{{NAVCONTENT_STOP~~}}	+

Tekbot — Tue, 09 Sep 2008 08:32:23 GMT

←Older revision

Revision as of 08:32, 9 September 2008

Tekbot — Thu, 21 Aug 2008 06:33:19 GMT

Robot: Automated text replacement (-[[Bild: +[[Image:)

Martin — Wed, 13 Aug 2008 09:32:10 GMT

←Older revision		Revision as of 09:32, 13 August 2008
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	{{NAVCONTENT_START}}		{{NAVCONTENT_START}}
-	<center> [[Bild:2_1_1g.gif]] </center>	+
		+	The expression in the exercise is of the form <math> (a-b)^2 </math>, where <math> a=y^2</math> and <math> b=3x^2 </math>. With the help of the aquaring rule <math> (a-b)^2 =a^2 -2ab +b^2 </math>, we have
		+
		+	<math> \begin{align} \qquad
		+	(y^2-3x^3)^2 &= (y^2)^2 -2y^2\cdot 3x^3 +(3x^3)^2 \\
		+	&= y^{2\cdot 2} -6x^3y^2 +3^2x^{3\cdot 2}\\
		+	&= y^4 -6x^3y^2 +9x^6\\
		+	&= 9x^6 -6x^3y^2 +y^4
		+	\end{align}
		+	</math>
		+	<!-- <center> [[Bild:2_1_1g.gif]] </center> -->
	{{NAVCONTENT_STOP}}		{{NAVCONTENT_STOP}}

Lina — Mon, 31 Mar 2008 09:28:01 GMT

Ny sida: {{NAVCONTENT_START}} <center> Bild:2_1_1g.gif </center> {{NAVCONTENT_STOP}}

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