Formula

Calculate the value

Answer

$- \sqrt{ 7 } ^{ 2 }$

$- 7$

Calculate the value

$- \left ( \sqrt{ \color{#FF6800}{ 7 } } \right ) ^ { \color{#FF6800}{ 2 } }$

$ $ If you square the radical sign, it will disappear $ $

$- \color{#FF6800}{ 7 }$

Solution search results

The rationalizing factor of \sqrt{23} is
$°$ $Options^{°}$ $0$
A 24
23
C \sqrt{23}
D None of these

7th-9th grade

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