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Rezolvati in R ecuatia( e urgent!!):


Rezolvati In R Ecuatia E Urgent class=

Răspuns :

Salut,

2x²-5x = 3
2x²-5x-3 = 0

a = 2
b = -5
c = -3

∆ = b²-4ac
∆ = 25+24
∆ = 49.

x1 = (-b+√∆)/2a
x1 = (5+7)/4
x1 = 12/4
x1 = 3.

x2 = (-b-√∆)/2a
x2 = (5-7)/4
x2 = -2/4
x2 = -1/2.


S = {-1/2;3}


Succes!
Aceasta este rezolvarea.
Vezi imaginea TZACLE