Question

1)Simplifique os radicais
a)√80
b)√20
c)√15
d)√38
e)√40
f)√50
g)√48
h)√60
i)√66
j)√54


URGENTE PESSOAL! PRECISO DISSO AGORA .
VALENDO 55 PONTOS .

OBS: QUERO OS CÁLCULO :3

Answer 1

a)
$\sqrt{80}=\sqrt{16.5}=4\sqrt5$
b)
$\sqrt{20}=\sqrt{4.5}=2\sqrt5$
c)
$\sqrt{15}=\sqrt{3.5}=\sqrt3.\sqrt5$
d)
$\sqrt{38}=\sqrt{4\ . \ 9,5}=2\sqrt{9,5}$
e)
$\sqrt{40}=\sqrt{4.10}=2\sqrt{10}$
f)
$\sqrt{50}=\sqrt{25.2}=5\sqrt2$
g)
$\sqrt{48}=\sqrt{16.3}=4\sqrt3$
h)
$\sqrt{60}=\sqrt{4.15}=2\sqrt{15}$
i)
$\sqrt{66}=\sqrt{2.33}=\sqrt{4\ . \ 16,5}=2\sqrt{16,5}$
j)
$\sqrt{54}=\sqrt{9.6}=3\sqrt6$