Question

me ajudem
Resolva as equações
a)x²=49
b)x²=81
c)x²=100
d)x²-4=0
e)x²-9=0
f)x²-30=34
g)x²=2
h)x²=5
i)x²=10
j)x²=12
l)x²=50
m)x²=60
n)x²-1=20
o)x²+1=0

Answer 1

Resposta:

a)x=7

b)x=9

c)x=10

d)x=2

e)x=3

f)x=2

$g)x = \sqrt{2}$

$h)x = \sqrt{5}$

$i)x = \sqrt{10}$

$j)x = \sqrt{12}$

$l)x = \sqrt{50}$

$m)x = \sqrt{60}$

$n)x = \sqrt{21}$

o)x=1