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17-12-2020
Mathematics

contestada

Find the value of (5 +√5)(5 -√5)

Respuesta :

jorel1380 jorel1380

18-12-2020

Answer:

20

Step-by-step explanation:

(5 +√5)(5 -√5)=(5)²-(√5)²

=25-5

=20 ...........................

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