Question

(
$( \sqrt{5 - 2} )( \sqrt{5 + 2) \: } is \: equal \: to$
​

Answer 1

Answer:

$\sqrt{21}$

Step-by-step explanation:

• $\sqrt{(5 - 2)(5 + 2)}$
• $= > \sqrt{3 \times 7}$
• $= > \sqrt{21}$
• I hope it will help you. Thank you

Answer 2

ANSWER✔

[tex]( \sqrt{5 - 2} )( \sqrt{5 + 2) [/tex]

$\large{\boxed{\bf{ \star\:\: (a+b)(a-b)= a^2-b^2 \:\: \star}}}$

$\sf\implies ( \sqrt{5-2}) ( \sqrt{5+2})$

$\sf\implies (\sqrt{3}) (\sqrt{7)}$

$\sf\implies \sqrt{21}$

$\large{\boxed{\bf{ \star\:\: \sqrt{21}\:\: \star}}}$

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