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Calculate the value
Answer
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$\left( - \sqrt{ \dfrac{ 3 }{ 5 } } \right) ^{ 2 } - \left( - \sqrt{ \dfrac{ 2 }{ 3 } } \right) ^{ 2 }$
$- \dfrac { 1 } { 15 }$
Calculate the value
$\left ( \color{#FF6800}{ - } \sqrt{ \color{#FF6800}{ \dfrac { 3 } { 5 } } } \right ) ^ { \color{#FF6800}{ 2 } } - \left ( - \sqrt{ \dfrac { 2 } { 3 } } \right ) ^ { 2 }$
$ $ Remove negative signs because negative numbers raised to even powers are positive $ $
$\left ( \sqrt{ \dfrac { 3 } { 5 } } \right ) ^ { 2 } - \left ( - \sqrt{ \dfrac { 2 } { 3 } } \right ) ^ { 2 }$
$\left ( \sqrt{ \color{#FF6800}{ \dfrac { 3 } { 5 } } } \right ) ^ { \color{#FF6800}{ 2 } } - \left ( - \sqrt{ \dfrac { 2 } { 3 } } \right ) ^ { 2 }$
$ $ If you square the radical sign, it will disappear $ $
$\color{#FF6800}{ \dfrac { 3 } { 5 } } - \left ( - \sqrt{ \dfrac { 2 } { 3 } } \right ) ^ { 2 }$
$\dfrac { 3 } { 5 } - \left ( \color{#FF6800}{ - } \sqrt{ \color{#FF6800}{ \dfrac { 2 } { 3 } } } \right ) ^ { \color{#FF6800}{ 2 } }$
$ $ Remove negative signs because negative numbers raised to even powers are positive $ $
$\dfrac { 3 } { 5 } - \left ( \sqrt{ \dfrac { 2 } { 3 } } \right ) ^ { 2 }$
$\dfrac { 3 } { 5 } - \left ( \sqrt{ \color{#FF6800}{ \dfrac { 2 } { 3 } } } \right ) ^ { \color{#FF6800}{ 2 } }$
$ $ If you square the radical sign, it will disappear $ $
$\dfrac { 3 } { 5 } - \color{#FF6800}{ \dfrac { 2 } { 3 } }$
$\color{#FF6800}{ \dfrac { 3 } { 5 } } \color{#FF6800}{ - } \color{#FF6800}{ \dfrac { 2 } { 3 } }$
$ $ Find the difference between the two fractions $ \dfrac { 3 } { 5 } $ and $ - \dfrac { 2 } { 3 }$
$\color{#FF6800}{ - } \color{#FF6800}{ \dfrac { 1 } { 15 } }$
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