L'exercice suivant est automatiquement et aléatoirement généré par ataraXy.
Si vous regénérez la page (F5) les valeurs seront changées.
La correction se trouve en bas de page.
Exercice
Soit \( X=\left(-6\right)\sqrt{12}\) et \( Y=\left(\left(\left(\dfrac{51}{2}\right)\sqrt{12}\right)-\left(\left(-\dfrac{3}{2}\right)\sqrt{75}\right)-\left(\left(-8\right)\sqrt{75}\right)-\left(\left(-\dfrac{9}{2}\right)\sqrt{75}\right)-\left(\left(-8\right)\sqrt{12}\right)\right)-\left(-\dfrac{27}{7}-\left(\left(-\dfrac{23}{4}\right)\sqrt{27}\right)-\left(\left(\dfrac{20}{7}\right)\sqrt{27}\right)-\left(\left(1\right)\sqrt{9}\right)\right)-\left(-\dfrac{77}{4}+\left(-\dfrac{3}{4}\right)\sqrt{12}+\left(6\right)\sqrt{75}+\left(-\dfrac{3}{4}\right)\sqrt{12}\right)+7-\left(\dfrac{22}{3}-\left(\left(\dfrac{53}{3}\right)\sqrt{12}\right)-\left(\left(\dfrac{20}{7}\right)\sqrt{27}\right)-\left(\left(1\right)\sqrt{9}\right)\right)\) . Calculer et simplifier \( X+Y\) , \( X-Y\) et \( X\times Y\) .
Cliquer ici pour afficher la solution
Exercice
\begin{eqnarray*}
X+Y
&=&\left(\left(-6\right)\sqrt{12}\right)+\left(\left(\left(\left(\dfrac{51}{2}\right)\sqrt{12}\right)-\left(\left(-\dfrac{3}{2}\right)\sqrt{75}\right)-\left(\left(-8\right)\sqrt{75}\right)-\left(\left(-\dfrac{9}{2}\right)\sqrt{75}\right)-\left(\left(-8\right)\sqrt{12}\right)\right)-\left(-\dfrac{27}{7}-\left(\left(-\dfrac{23}{4}\right)\sqrt{27}\right)-\left(\left(\dfrac{20}{7}\right)\sqrt{27}\right)-\left(\left(1\right)\sqrt{9}\right)\right)-\left(-\dfrac{77}{4}+\left(-\dfrac{3}{4}\right)\sqrt{12}+\left(6\right)\sqrt{75}+\left(-\dfrac{3}{4}\right)\sqrt{12}\right)+7-\left(\dfrac{22}{3}-\left(\left(\dfrac{53}{3}\right)\sqrt{12}\right)-\left(\left(\dfrac{20}{7}\right)\sqrt{27}\right)-\left(\left(1\right)\sqrt{9}\right)\right)\right)\\
&=&\left(\left(-12\right)\sqrt{3}\right)+\left(\left(\left(\left(51\right)\sqrt{3}\right)-\left(\left(-\dfrac{15}{2}\right)\sqrt{3}\right)-\left(\left(-40\right)\sqrt{3}\right)-\left(\left(-\dfrac{45}{2}\right)\sqrt{3}\right)-\left(\left(-16\right)\sqrt{3}\right)\right)-\left(-\dfrac{27}{7}-\left(\left(-\dfrac{69}{4}\right)\sqrt{3}\right)-\left(\left(\dfrac{60}{7}\right)\sqrt{3}\right)-3\right)-\left(-\dfrac{77}{4}+\left(-\dfrac{3}{2}\right)\sqrt{3}+\left(30\right)\sqrt{3}+\left(-\dfrac{3}{2}\right)\sqrt{3}\right)+7-\left(\dfrac{22}{3}-\left(\left(\dfrac{106}{3}\right)\sqrt{3}\right)-\left(\left(\dfrac{60}{7}\right)\sqrt{3}\right)-3\right)\right)\\
&=&\left(-12\right)\sqrt{3}+\left(\left(\left(51\right)\sqrt{3}\right)-\left(\left(-\dfrac{15}{2}\right)\sqrt{3}\right)-\left(\left(-40\right)\sqrt{3}\right)-\left(\left(-\dfrac{45}{2}\right)\sqrt{3}\right)-\left(\left(-16\right)\sqrt{3}\right)\right)-\left(-\dfrac{27}{7}-\left(\left(-\dfrac{69}{4}\right)\sqrt{3}\right)-\left(\left(\dfrac{60}{7}\right)\sqrt{3}\right)-3\right)-\left(-\dfrac{77}{4}+\left(-\dfrac{3}{2}\right)\sqrt{3}+\left(30\right)\sqrt{3}+\left(-\dfrac{3}{2}\right)\sqrt{3}\right)+7-\left(\dfrac{22}{3}-\left(\left(\dfrac{106}{3}\right)\sqrt{3}\right)-\left(\left(\dfrac{60}{7}\right)\sqrt{3}\right)-3\right)\\
&=&\left(\dfrac{11191}{84}\right)\sqrt{3}+\dfrac{2417}{84}\\
\end{eqnarray*}
\begin{eqnarray*}
X-Y
&=&\left(\left(-6\right)\sqrt{12}\right)-\left(\left(\left(\left(\dfrac{51}{2}\right)\sqrt{12}\right)-\left(\left(-\dfrac{3}{2}\right)\sqrt{75}\right)-\left(\left(-8\right)\sqrt{75}\right)-\left(\left(-\dfrac{9}{2}\right)\sqrt{75}\right)-\left(\left(-8\right)\sqrt{12}\right)\right)-\left(-\dfrac{27}{7}-\left(\left(-\dfrac{23}{4}\right)\sqrt{27}\right)-\left(\left(\dfrac{20}{7}\right)\sqrt{27}\right)-\left(\left(1\right)\sqrt{9}\right)\right)-\left(-\dfrac{77}{4}+\left(-\dfrac{3}{4}\right)\sqrt{12}+\left(6\right)\sqrt{75}+\left(-\dfrac{3}{4}\right)\sqrt{12}\right)+7-\left(\dfrac{22}{3}-\left(\left(\dfrac{53}{3}\right)\sqrt{12}\right)-\left(\left(\dfrac{20}{7}\right)\sqrt{27}\right)-\left(\left(1\right)\sqrt{9}\right)\right)\right)\\
&=&\left(\left(-12\right)\sqrt{3}\right)-\left(\left(\left(\left(51\right)\sqrt{3}\right)-\left(\left(-\dfrac{15}{2}\right)\sqrt{3}\right)-\left(\left(-40\right)\sqrt{3}\right)-\left(\left(-\dfrac{45}{2}\right)\sqrt{3}\right)-\left(\left(-16\right)\sqrt{3}\right)\right)-\left(-\dfrac{27}{7}-\left(\left(-\dfrac{69}{4}\right)\sqrt{3}\right)-\left(\left(\dfrac{60}{7}\right)\sqrt{3}\right)-3\right)-\left(-\dfrac{77}{4}+\left(-\dfrac{3}{2}\right)\sqrt{3}+\left(30\right)\sqrt{3}+\left(-\dfrac{3}{2}\right)\sqrt{3}\right)+7-\left(\dfrac{22}{3}-\left(\left(\dfrac{106}{3}\right)\sqrt{3}\right)-\left(\left(\dfrac{60}{7}\right)\sqrt{3}\right)-3\right)\right)\\
&=&\left(\left(-12\right)\sqrt{3}\right)-\left(\left(\dfrac{12199}{84}\right)\sqrt{3}+\dfrac{2417}{84}\right)\\
&=&\left(-12\right)\sqrt{3}+\left(-\dfrac{12199}{84}\right)\sqrt{3}-\dfrac{2417}{84}\\
&=&\left(-\dfrac{13207}{84}\right)\sqrt{3}-\dfrac{2417}{84}\\
\end{eqnarray*}
\begin{eqnarray*}
X\times Y
&=&\left(\left(-6\right)\sqrt{12}\right)\times\left(\left(\left(\left(\dfrac{51}{2}\right)\sqrt{12}\right)-\left(\left(-\dfrac{3}{2}\right)\sqrt{75}\right)-\left(\left(-8\right)\sqrt{75}\right)-\left(\left(-\dfrac{9}{2}\right)\sqrt{75}\right)-\left(\left(-8\right)\sqrt{12}\right)\right)-\left(-\dfrac{27}{7}-\left(\left(-\dfrac{23}{4}\right)\sqrt{27}\right)-\left(\left(\dfrac{20}{7}\right)\sqrt{27}\right)-\left(\left(1\right)\sqrt{9}\right)\right)-\left(-\dfrac{77}{4}+\left(-\dfrac{3}{4}\right)\sqrt{12}+\left(6\right)\sqrt{75}+\left(-\dfrac{3}{4}\right)\sqrt{12}\right)+7-\left(\dfrac{22}{3}-\left(\left(\dfrac{53}{3}\right)\sqrt{12}\right)-\left(\left(\dfrac{20}{7}\right)\sqrt{27}\right)-\left(\left(1\right)\sqrt{9}\right)\right)\right)\\
&=&\left(\left(-12\right)\sqrt{3}\right)\times\left(\left(\left(\left(51\right)\sqrt{3}\right)-\left(\left(-\dfrac{15}{2}\right)\sqrt{3}\right)-\left(\left(-40\right)\sqrt{3}\right)-\left(\left(-\dfrac{45}{2}\right)\sqrt{3}\right)-\left(\left(-16\right)\sqrt{3}\right)\right)-\left(-\dfrac{27}{7}-\left(\left(-\dfrac{69}{4}\right)\sqrt{3}\right)-\left(\left(\dfrac{60}{7}\right)\sqrt{3}\right)-3\right)-\left(-\dfrac{77}{4}+\left(-\dfrac{3}{2}\right)\sqrt{3}+\left(30\right)\sqrt{3}+\left(-\dfrac{3}{2}\right)\sqrt{3}\right)+7-\left(\dfrac{22}{3}-\left(\left(\dfrac{106}{3}\right)\sqrt{3}\right)-\left(\left(\dfrac{60}{7}\right)\sqrt{3}\right)-3\right)\right)\\
&=&\left(\left(-12\right)\sqrt{3}\right)\left(\left(\dfrac{12199}{84}\right)\sqrt{3}+\dfrac{2417}{84}\right)\\
&=&\left(-\dfrac{12199}{7}\right)\sqrt{9}+\left(-\dfrac{2417}{7}\right)\sqrt{3}\\
&=&-\dfrac{36597}{7}+\left(-\dfrac{2417}{7}\right)\sqrt{3}\\
\end{eqnarray*}