Răspuns :
(x^1/3+2*x^ (-1/2))^200
Tk+1=Combinaride 200luate cate K *( x^1/3)^ (200-k) *2^k*(x^(-1/2))^k
x^ ((200-k)/3)* x^ (-k/2)=x^0=1
(200-k)/3-k/2=0
(200-k)/3=k/2
400-2k=3k
400=5k
k=80
T81=(Combinaride 200luate cate 80)*2^80=2^80 * Combinaride 200 luate cate 80
Nu il calculeaza nimeni
Tk+1=Combinaride 200luate cate K *( x^1/3)^ (200-k) *2^k*(x^(-1/2))^k
x^ ((200-k)/3)* x^ (-k/2)=x^0=1
(200-k)/3-k/2=0
(200-k)/3=k/2
400-2k=3k
400=5k
k=80
T81=(Combinaride 200luate cate 80)*2^80=2^80 * Combinaride 200 luate cate 80
Nu il calculeaza nimeni