Question

sa se determine vaorile reale ale lui m stind ca x^2+(m-3)

Answer 1

x²+m-3=0
x²=3-mx
x=√(3-m)
cond.3-m≥0
-m≥-3            inmultim -1
m≤3
m∈(-α,3]
 daca m=3⇒ x1=x2=0
daca m=2⇒x1=1 si x2=-1
daca m=1⇒x1=√2 si x2=-√2
daca m=0⇒x1=√3 si x2=-√3
s.a.a.m.d