wajib pakai porogapit
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Pembagian Fungsi
[tex]\large\text{$\begin{aligned}&\bf\ \;x^3+2x^2+7x+9\\x-2\:&\overline{\smash{\big)}\:x^4\qquad\:\:\:+3x^2-5x+7}\\&\ \ \underline{x^4-2x^3}\ -\\&\qquad\quad\:\!\!2x^3+3x^2\\&\qquad\quad\:\!\!\underline{2x^3-4x^2}\ -\\&\qquad\qquad\quad\ \;7x^2-\;\,5x\\&\qquad\qquad\quad\ \;\underline{7x^2-14x}\ -\\&\qquad\qquad\qquad\qquad\ \ \,9x+\ \,7\\&\qquad\qquad\qquad\qquad\ \ \,\underline{9x-18}\ -\\&\qquad\qquad\qquad\qquad\qquad\quad\,25\leftarrow\sf SISA\end{aligned}$}[/tex]
[tex]\large\text{$\begin{aligned}&\therefore\ \boxed{\ \begin{aligned} &(x^4+3x^2-5x+7)\div(x-2)\\&=\bf x^3+2x^2+7x+9\textsf{\ \ dengan sisa\ \ }25\\\\&\textsf{atau}\\\\&(x^4+3x^2-5x+7)\div(x-2)\\&=\bf x^3+2x^2+7x+9+\frac{25}{(x-2)}\end{aligned}\ }\end{aligned}$}[/tex]
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