Ha Hakan а) lim x->inf+ (pi-2arctg(x)) e^x = lim x->inf+ (pi-2arctg(x)) / (1/ e^x)) = [0/0] = [Правило Лопиталя] = +inf б) lim x->0 (3x)^arctg(x) = exp( lim x->0 arctg(x)*ln(3x)) = exp(0) = 1