Question

simplify
(√5+√7) (√5-√11)​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$(\sqrt{5} + \sqrt{7} )( \sqrt{5} - \sqrt{11} ) \\ { \sqrt{5} }^{2} + \sqrt{7} \times \sqrt{5} - \sqrt{11} \times \sqrt{7} - \sqrt{11} \times \sqrt{5} \\ 5 + \sqrt{35} - \sqrt{77} - \sqrt{55}$

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