Question

Work out (2+√3)(2−√3)

Answer 1

Answer:

1

Step-by-step explanation:

Given

(2 + $\sqrt{3}$ )(2 - $\sqrt{3}$ ) ← expand factors using FOIL

= 2² - ($\sqrt{3}$ )²

= 4 - 3

= 1

Answer 2

Work out
(2+√3)(2−√3)

=1