Que (3) =) hit f have an isolated singularity at z=a and + #0 T Then if either lim 12-01 |f(z) =0 719 show that time 12-a1* Hist en 70 300M lim 12-01 1 firs) 2-9 = 00 holds for some ser, then there is antiger m m such that lim 12-91 1 f(z) = 0 holds if and lim 12-91 m | f(z)| = holds folds if sm. 219 * Remark: This 'm' is called algebraic order of f at z=a.