Question

determine as raizes da equação x^2-8mx+15m2=0,na variavel x?

Answer 1

x² -8mx + 15m² = 0

-b/c = 8m/15m² = 3m+5m/3m•5m ↓

x'=3m , x"=5m

por Bhaskara:

∆=64m² -60m² = 4m² => √∆=2m

x' =8m+2m/2 = 5m ✓

x" =8m-2m/2 = 3m ✓