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Formula
Calculate the value
Answer
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$4 \sqrt{ 5 } -2 \sqrt{ 5 }$
$2 \sqrt{ 5 }$
Calculate the value
$\color{#FF6800}{ 4 } \sqrt{ \color{#FF6800}{ 5 } } \color{#FF6800}{ - } \color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 5 } }$
$ $ Calculate between similar terms $ $
$\color{#FF6800}{ 2 } \sqrt{ \color{#FF6800}{ 5 } }$
Solution search results
search-thumbnail-$2%$ If $secθ-cosθ=1$ then $t27^{2θ}$ $-<$ $2$ 
$1\right)$ $\sqrt{5} +22\right)$ $\sqrt{5} -23\right)$ $2-\sqrt{5} 4$
10th-13th grade
Trigonometry
search-thumbnail-The rationalizing factor of \sqrt{23} is 
$°$ $Options^{°}$ $0$ 
A 24 
23 
C \sqrt{23} 
D None of these
7th-9th grade
Other
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