Question

Determinati nr real mpt care varful parabolei asociatei functiei F:R->R,f(x)=-x²+3mx+1 are abscisa egala 3 supra 2

Answer 1

VARFUL PARABOLEI ESTE -b/2a
-x²+3mx+1=3/2
-b/2a=-3m/-2⇒-3m/-2=3/2⇒-3m×2=-2*3⇒-6m=-6⇒m=-6/-6⇒m=1
m∈R
sucees