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Pisicuta12
a fost răspuns

Rzolvati ecuatile dupa regula x²=a :
a)x²=0
b)x²= -2
c) x²=16
d)3x²+2=1²+(-1)²
e)x²+1=(√3)²
f)x²=4 supra 25


Răspuns :

Simonarusu
a)x=0
b)x₁,₂=+/-√2
c)x₁,₂=+/-4
d)3x²+2=2
3x²=0
x=0
e)x²+1=3
x²=2
x₁,₂=+/-√2
f)x²[tex]= \frac{4}{25} =+/- \frac{2}{5} [/tex]

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