Question

fill in the blanks
$( - 2 + \sqrt{3)} ( - 2 - \sqrt{3)} }$
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Answer 1

Step-by-step explanation:

use identity

(a+b)(a-b) = a^2 - b^2

(-2+√3)(-2-√3)

(-2)^2 - (√3)^2

4 - 3

1

hope it helps