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Complex Numbers

0. Review of College Algebra / Complex Numbers / Problema 3

Problema 3

Simplify the following expression and express the answer in standard form.
$\sqrt{4^{2} - 4 \cdot 1 \cdot 10}$

A

$2 i the square root of 3$

B

$2 i the square root of 6$

C

$4 i$

D

$2 i$