6 The result of \( \frac{3^{2 x}+3^{2 x}+3^{2 x}}{3^{x} \times 3^{x^{2}}} \) in the simplest form is ……..... \begin{tabular}{llll|} (a) \( 3^{4 x} \) & (b) \( 3^{2 x} \) & (c) 3 & (d) \( \frac{1}{3} \)\end{tabular}

Example Solve the equation \( 2 x^{2}+4 x-10=0 \) with error precision 0.05

\( x + 5 y \)

\begin{tabular}{l} Evaluate the expression when \( c=8 \) and \( d=4 \). \\ \( \qquad \frac{48}{c}+d \) \\ \( \square \square \) \\ \hline\( \square \) \\ \hline\end{tabular}

\( \left. \begin{array} { l }{ y - 29 = 81 } \\ { y - 29 + \ldots = 81 + 29 } \\ { y = } \end{array} \right. \)

Simplify the following: (1) \( \frac{x-1}{x^{2}+3 x+2} \div\left[\frac{x-3}{x+1}-\frac{x-4}{x+2}\right] \) (2) \( \frac{\frac{6 x+5}{x-5}-1}{\frac{3 x+20}{x-5}+2} \) (3) \( \frac{a^{2}+\left(1-a^{2}\right)}{(1+a) a} \times \frac{(1+a) a}{a^{2}-\left(1-a^{2}\right)} \)