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Rumus
Hitung nilainya
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$$\dfrac { 1 } { 3 - 2 \sqrt{ 2 } }$$
$3 + 2 \sqrt{ 2 }$
Hitung nilainya
$\dfrac { 1 } { 3 - 2 \sqrt{ 2 } }$
$ $ Carilah bilangan pasangan pada penyebut $ $
$\color{#FF6800}{ \dfrac { \color{#FF6800}{ 1 } } { \color{#FF6800}{ 3 } \color{#FF6800}{ - } \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } } } \color{#FF6800}{ \times } \color{#FF6800}{ \dfrac { \color{#FF6800}{ 3 } \color{#FF6800}{ - } \left ( \color{#FF6800}{ - } \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \right ) } { \color{#FF6800}{ 3 } \color{#FF6800}{ - } \left ( \color{#FF6800}{ - } \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \right ) } }$
$\dfrac { 1 } { 3 - 2 \sqrt{ 2 } } \times \dfrac { 3 - \left ( - 2 \sqrt{ 2 } \right ) } { 3 - \left ( - 2 \sqrt{ 2 } \right ) }$
$ $ Mengalikan penyebut dengan penyebut, pembilang dengan pembilang $ $
$\color{#FF6800}{ \dfrac { \color{#FF6800}{ 1 } \left ( \color{#FF6800}{ 3 } \color{#FF6800}{ - } \left ( \color{#FF6800}{ - } \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \right ) \right ) } { \left ( \color{#FF6800}{ 3 } \color{#FF6800}{ - } \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \right ) \left ( \color{#FF6800}{ 3 } \color{#FF6800}{ - } \left ( \color{#FF6800}{ - } \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \right ) \right ) } }$
$\dfrac { \color{#FF6800}{ 1 } \left ( \color{#FF6800}{ 3 } \color{#FF6800}{ - } \left ( \color{#FF6800}{ - } \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \right ) \right ) } { \left ( 3 - 2 \sqrt{ 2 } \right ) \left ( 3 - \left ( - 2 \sqrt{ 2 } \right ) \right ) }$
$ $ Mengalikan setiap bagian di dalam tanda kurung dengan %x $ $
$\dfrac { \color{#FF6800}{ 3 } \color{#FF6800}{ + } \color{#FF6800}{ 1 } \color{#FF6800}{ \times } \left ( \color{#FF6800}{ - } \left ( \color{#FF6800}{ - } \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \right ) \right ) } { \left ( 3 - 2 \sqrt{ 2 } \right ) \left ( 3 - \left ( - 2 \sqrt{ 2 } \right ) \right ) }$
$\dfrac { 3 + 1 \times \left ( - \left ( - 2 \sqrt{ 2 } \right ) \right ) } { \left ( \color{#FF6800}{ 3 } \color{#FF6800}{ - } \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \right ) \left ( \color{#FF6800}{ 3 } \color{#FF6800}{ - } \left ( \color{#FF6800}{ - } \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \right ) \right ) }$
$ $ Menjabarkan persamaan menggunakan $ \left(a - b\right)\left(a + b\right) = a^{2} - b^{2}$
$\dfrac { 3 + 1 \times \left ( - \left ( - 2 \sqrt{ 2 } \right ) \right ) } { \color{#FF6800}{ 3 } ^ { \color{#FF6800}{ 2 } } \color{#FF6800}{ - } \left ( \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \right ) ^ { \color{#FF6800}{ 2 } } }$
$\dfrac { 3 + 1 \times \left ( - \left ( - 2 \sqrt{ 2 } \right ) \right ) } { \color{#FF6800}{ 3 } ^ { \color{#FF6800}{ 2 } } - \left ( 2 \sqrt{ 2 } \right ) ^ { 2 } }$
$ $ Hitung kuadratnya $ $
$\dfrac { 3 + 1 \times \left ( - \left ( - 2 \sqrt{ 2 } \right ) \right ) } { \color{#FF6800}{ 9 } - \left ( 2 \sqrt{ 2 } \right ) ^ { 2 } }$
$\dfrac { 3 + 1 \times \left ( - \left ( - 2 \sqrt{ 2 } \right ) \right ) } { 9 - \left ( \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \right ) ^ { \color{#FF6800}{ 2 } } }$
$ $ Hitung kuadratnya $ $
$\dfrac { 3 + 1 \times \left ( - \left ( - 2 \sqrt{ 2 } \right ) \right ) } { 9 - \color{#FF6800}{ 8 } }$
$\dfrac { 3 + \color{#FF6800}{ 1 } \times \left ( - \left ( - 2 \sqrt{ 2 } \right ) \right ) } { 9 - 8 }$
$ $ Mengalikan angka apa pun dengan 1 tidak mengubah nilainya $ $
$\dfrac { 3 - \left ( - 2 \sqrt{ 2 } \right ) } { 9 - 8 }$
$\dfrac { 3 - \left ( - 2 \sqrt{ 2 } \right ) } { \color{#FF6800}{ 9 } \color{#FF6800}{ - } \color{#FF6800}{ 8 } }$
$ $ Kurangi $ 8 $ dari $ 9$
$\dfrac { 3 - \left ( - 2 \sqrt{ 2 } \right ) } { \color{#FF6800}{ 1 } }$
$\dfrac { 3 - \left ( - 2 \sqrt{ 2 } \right ) } { \color{#FF6800}{ 1 } }$
$ $ Jika penyebutnya 1, penyebut dapat dihapus $ $
$\color{#FF6800}{ 3 } \color{#FF6800}{ - } \left ( \color{#FF6800}{ - } \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 2 } } \right )$
$3 \color{#FF6800}{ - } \left ( \color{#FF6800}{ - } 2 \sqrt{ 2 } \right )$
$ $ Sederhanakan minus $ $
$3 + 2 \sqrt{ 2 }$
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