6. \( m^{2}+3 m+1 \) ifadosinin on kiçik qiymotini tapin. A) \( -1,5 \) B) 2,5 C) -3 D) \( -1,25 \)

2. Find the domain and perform each of the following indicated operations. \[ \begin{array}{ll}\text { a. } \frac{x-1}{x+2}+\frac{x+3}{x^{2}+6 x+5} & \text { c. } \frac{x-1}{x+2} \times \frac{x+3}{x^{2}+6 x+5} \\ \text { b. } \frac{x-1}{x+2}-\frac{x+3}{x^{2}+6 x+5} & \text { d. } \frac{x-1}{x+2} \div \frac{x+3}{x^{2}+6 x+5}\end{array} \]

14 Ber 10 pat Napata 18 분 D 8 2. 3472/1 (b) Selesaikan persamaan \( 5+4 \sqrt{k}=9+8 \sqrt{2} \). Tulis jawapan dalam bentuk \( a+b \sqrt{2} \) dengan \( a \) dan \( b \) ialah integer. Solve the equation of \( 5+4 \sqrt{k}=9+8 \sqrt{2} \). Write the answer in the form of \( a+b \sqrt{2} \) with \( a \) and \( b \) are integers. [2 markah] [2 marks]

a) \( \frac{2}{7} x+\frac{5 x}{7}-3 x=8 \)

लगाजनुहोस्ट । If \( \left[\begin{array}{cc}8 & -2 \\ 1 & 4\end{array}\right] A=2\left[\begin{array}{l}6 \\ 5\end{array}\right] \) then find matrix \( A \).

\( a ^ { 2 } + b ^ { 2 } = ? \)