Respuesta :

Answer:

1

Step-by-step explanation:

Given

(2 + [tex]\sqrt{3}[/tex] )(2 - [tex]\sqrt{3}[/tex] ) ← expand factors using FOIL

= 2² - ([tex]\sqrt{3}[/tex] )²

= 4 - 3

= 1
Work out
(2+√3)(2−√3)

=1

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