Question

Base e dimensão de U = {(x, y, z) ϵ R³/x + z = 0 ; X - 2Y = 0}

Answer 1

2016-07-31T14:24:17-03:00

(x² + 10 )²
(x²)² + 2 x² . 10 + 10² = 
x^4 + 20 x²  + 100 = 0
x² = y 
(x²)² + 20 x² + 100 = 0
y² + 20 y + 100 = 0
Δ = b² - 4.a.c