Question

Resolva no campo dos números complexos a equação :

x²=6x+13=0

Answer 1

x² +6x +13 = 0

∆ = 36 -52= -16 = 16i² => √∆=4i

x' = -b+√∆/2a = -6+4i/2 = -3+2i ✓

x" = -b-√∆/2a = -6-4i/2 = -3-2i ✓