\( \frac{1}{a}+\frac{1}{b}+\frac{1}{c}+\frac{1}{d}=\frac{1}{4} \) olduğuna göre, a nın alabileceği kaç farklı tam sayı değeri vardır? \( \begin{array}{lllll}\text { A) } 5 & \text { B) } 6 & \text { C) } 8 & \text { D) } 9 & \text { E) } 11\end{array} \)

10. \( x-2 y=-4,9 \) ve \( a+2 b=4 \) olduqda \( 6 a y-3 a x+12 b c-6 b x \) ifadasinin qiymatini tapin. \( \begin{array}{llll}\text { A) } 52 & \text { B) } 27 & \text { C) } 98 & \text { D) } 54\end{array} \)

3. Soit \( g(x)=x^{4}-5 x^{2}+4 \). a) Factoriser \( t^{2}-5 t+4 \) b) En-déduire que \( g(x)=\left(x^{2}-1\right)\left(x^{2}-4\right) \). 4. Soit \( h(x)=\frac{f(x)}{g(x)} \) a) Déterminer l'ensemble de définition \( D \) de \( h \). b) Montrer que pour tout \( x \) de \( D h(x)=\frac{x-3}{x^{2}+3 x+2} \) c) Résoudre dans \( \mathbb{R} \) l'inéquations \( h(x) \geq 1 \).

b. \( \frac{1}{3} \times(\sqrt{5}-\sqrt{2}) \times(\sqrt{5}+\sqrt{2}) \)

What significa el exponente en una expresión matemática?

\begin{tabular}{c}\hline SOLVING EQUATIONS \\ \hline \( \begin{array}{c}\text { Simplify Each Side } \\ \text { by combining like terms }\end{array} \) \\ \hline \( \begin{array}{c}\text { Move Variables } \\ \text { to one side }\end{array} \) \\ \hline Solve \\ \hline Using inverse operations \\ \hline\end{tabular}