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[br]\begin{enumerate}[br]\item y = 6.0996 \hfill \textbf{\underline{[5]}} \\[br]\end{enumerate}[br]
[br]\begin{enumerate}[br]\setcounter{enumi}{1}[br]\item[br]\begin{enumerate}[br]\item \alpha + \beta = -4, \alpha\beta = 0.5 \hfill \textbf{\underline{[2]}} \\[br]\item[br]\begin{enumerate}[br]\item \alpha^2 + \beta^2 = 15 \hfill \textbf{\underline{[2]}} \\[br]\item \text{Show} \alpha^4 + \beta^4 = \dfrac{449}{2} \hfill \textbf{\underline{[2]}} \\[br]\end{enumerate}[br]\item 4x^2 - 2036x + 137 = 0 \hfill \textbf{\underline{[5]}} \\[br]\end{enumerate}[br]\end{enumerate}[br]
[br]\begin{enumerate}[br]\setcounter{enumi}{2}[br]\item \Sigma = 2906061 \hfill \textbf{\underline{[4]}} \\[br]\end{enumerate}[br]
[br]\begin{enumerate}[br]\setcounter{enumi}{3}[br]\item z = 5.5+6.5i \hfill \textbf{\underline{[6]}} \\[br]\end{enumerate}[br]
[br]\begin{enumerate}[br]\setcounter{enumi}{4}[br]\item[br]\begin{enumerate}[br]\item \text{Gradient} = h-7 \hfill \textbf{\underline{[3]}} \\[br]\item \text{as h} \rightarrow 0, \text{the gradient} \rightarrow m \text{ at } x=5, m=-7 \hfill \textbf{\underline{[2]}} \\[br]\end{enumerate}[br]\end{enumerate}[br]
[br]\begin{enumerate}[br]\setcounter{enumi}{5}[br]\item[br]\begin{enumerate}[br]\item x=0, x=-2, y=0 \hfill \textbf{\underline{[2]}} \\[br]\item[br]\begin{enumerate}[br]\item y = -1 \hfill \textbf{\underline{[1]}} \\[br]\item {Sketch graph} \hfill \textbf{\underline{[2]}} \\[br]\end{enumerate}[br]\item x \leq -4, x \geq 2, -2 \textless x \textless 0 \hfill \textbf{\underline{[5]}} \\[br]\end{enumerate}[br]\end{enumerate}[br]
[br]\begin{enumerate}[br]\setcounter{enumi}{6}[br]\item[br]\begin{enumerate}[br]\item[br]\begin{enumerate}[br]\item \begin{array}{ccc} [br]0 & -1 \\ [br]-1 & 0 \end{array} \hfill \textbf{\underline{[1]}} \\[br]\item \begin{array}{ccc}[br]1 & 0 \\[br]0 & 7 \end{array} \hfill \textbf{\underline{[1]}} \\[br]\end{enumerate}[br]\item \begin{array}{ccc}[br]0 & -1 \\[br]-7 & 0 \end{Array} \hfill \textbf{\underline{[2]}} \\[br]\item[br]\begin{enumerate}[br]\item A^2 = 12I \hfill \textbf{\underline{[1]}} \\[br]\item \text{SF:} -2\sqrt{3}, y=tan{15}x \text{\underline{ OR }} \text{ SF: } 2\sqrt{3}, y=tan{105}x \hfill \textbf{\underline{[5]}} \\[br]\end{enumerate}[br]\end{enumerate}[br]\end{enumerate}[br]
[br]\begin{enumerate}[br]\setcounter{enumi}{7}[br]\item[br]\begin{enumerate}[br]\item x = \dfrac{7\pi}{15} + \dfrac{8\pi n}{5}, x = \dfrac{\pi}{15} + \dfrac{8\pi n}{5} \hfill \textbf{\underline{[5]}} \\[br]\item \text{Sum} = \dfrac{3848\pi}{15} \hfill \textbf{\underline{[4]}} \\[br]\end{enumerate}[br]\end{enumerate}[br]
[br]\begin{enumerate}[br]\setcounter{enumi}{8}[br]\item [br]\begin{enumerate}[br]\item \text{Sketch the ellipse, intersections at} x=\pm{4}, y=\pm{3} \hfill \textbf{\underline{[2]}} \\[br]\item \text{Show} -5 \textless k \textless 5 \hfill \textbf{\underline{[5]}} \\[br]\item a = -1, b = 2, c = \underline{71} \hfill \textbf{\underline{[5]}} \\[br]\item y=x+8, y=x-2 \hfill \textbf{\underline{[3]}} \\[br]\end{enumerate}[br]\end{enumerate}[br]
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