Question

X(ao quadrado)/2_X=3/2

Answer 1

Temos:

x²/2 - x - 3/2 = 0

x² - 2x - 3 = 0

∆= 4 + 12

∆= 16

x' = 1 + √16 / 2

x' = 1+4/2

x' = 5/2

x" = 1 - √16/2

x" = 1 - 4/2

x" =-3/2

S={ 5/2 , -3/2}