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1) sa se rezolve in N ecuatiile
a) (n+4)!-n(n+3)!=96
b) 3(n+1)!=(n+2)!
c) (n+4)! (n+2)=48(n+3)!
2) Comparati numerele
(10!) la a-2a si 10 la a-10a
3 rezolvati inecuatia
120(n+2)(n+3)> (n+3)!
4) rezolvati ecuatia
Pn+1=2 la puterea n+1 -2