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a fost răspuns

Rezolvati ecuatia :
2y² - y - 3 = 0

Răspuns :

Lean
Faci Δ=b²-4ac=1+24=25 => x1=-b+√Δ=(1+5)/4=3/2 si x2=-b-√Δ=(1-5)/4=-1

Moisesilviu2000
delta=b^2-4ac
a=2
b=-1
c=-3
-1^2-4*-6
-1+24=23
delta >ca 0 deci admite doi sol reale ..
-b-[tex] \sqrt23[/tex]/4
-b+sqrt23[/tex]/4

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