Question

a) f(x) = X2 - 2px + 29, para x ER

b) v(t)=- --- --- -+² +3
43200

c) a) f(x) = x2 - 4x - 4

b) f(x) = - X2 + 2x + -1​

Answer 1

Resposta:

a) a=x2. b= 2px. c= 29

∆=(2)²-4.2.29

∆=4-232

∆=228

x=-(-2)±√228/4

x1= 2+228/4= 230/4 =57,5

x2= 2-328/4 = 226/4 = 56,5