Question

preciso da Baskara ×ao quadrado-3×+2

Answer 1

x^2 - 3x + 2 = 0; a = 1; b = - 3; c = 2; ∆ = b^2-4ac; ∆ = (-3)^2-4.1.2; ∆ = 9-8; ∆ = 1; x = ( -b +/- √∆)/2a; x' = [ -(-3) + 1]/ 2.1; x' = [3 +1]/2; x' = 4/2; x' = 2; x" =[3-1]/2; x" = 2/2; x" = 1; Resp.: ∆ = 1; x' = 2; x" = 1