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Calculate the value
Answer
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$\dfrac{ \sqrt{ 21+42 } }{ \sqrt{ 6 } }$
$\dfrac { \sqrt{ 42 } } { 2 }$
Calculate the value
$\color{#FF6800}{ \dfrac { \sqrt{ 21 + 42 } } { \sqrt{ 6 } } }$
$ $ Calculate the expression $ $
$\color{#FF6800}{ \dfrac { \sqrt{ 126 + 252 } } { 6 } }$
$\dfrac { \sqrt{ \color{#FF6800}{ 126 } \color{#FF6800}{ + } \color{#FF6800}{ 252 } } } { 6 }$
$ $ Add $ 126 $ and $ 252$
$\dfrac { \sqrt{ \color{#FF6800}{ 378 } } } { 6 }$
$\dfrac { \sqrt{ \color{#FF6800}{ 378 } } } { 6 }$
$ $ Organize the part that can be taken out of the radical sign inside the square root symbol $ $
$\dfrac { \color{#FF6800}{ 3 } \sqrt{ \color{#FF6800}{ 42 } } } { 6 }$
$\color{#FF6800}{ \dfrac { 3 \sqrt{ 42 } } { 6 } }$
$ $ Reduce the fraction $ $
$\color{#FF6800}{ \dfrac { \sqrt{ 42 } } { 2 } }$
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