Maicanudenisaask
a fost răspuns

rezolvati ecuatile urmatoate
1
a)
[tex] {x}^{2} = 25[/tex]
b)
[tex] {x}^{2} = 9[/tex]
c)
[tex] {x}^{2} = 1[/tex]
d)
[tex] {x}^{2} = 100[/tex]
2
a)
[tex] {x}^{2} = 0[/tex]
b)
[tex] {x}^{2} = 6[/tex]
c)
[tex] {x}^{2} = 18[/tex]
d)
[tex] {x}^{2} = 72[/tex]
3
a)
[tex] {x}^{2} = 1.44[/tex]
b)
[tex] {x}^{2} = 0.36[/tex]
c)
[tex] {x}^{2} = 0.09[/tex]
d)
[tex] {x}^{2} = 1.21[/tex]
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Răspuns :

Urspolar1ask

Răspuns:

1 a) x=5;x=-5

b) x=3;x=-3

c) x=1;x=-1

d) x=10;x=-10;

2 a) x=0

b) x=[tex]\sqrt{6}[/tex]

c) x=[tex]\sqrt{18}[/tex]

d) x=[tex]\sqrt{72}[/tex]

3 a) x=[tex]\frac{12}{\sqrt{10} }[/tex];x=[tex]\frac{-12}{\sqrt{10} }[/tex]

b) x=0.6;x=-0.6

c) x=0,3;x=-0,3;

d) x=1,1;x=-1,1

Explicație pas cu pas: