... first integrating up to an infinitesimally close point, ( a - a), to a and then continue integration on the other side from an arbitrarily close point, ( a + S), to infinity, that is, define the integral ... Hint First define in - -Ji fin1, 378 COMPLEX INTEGRALS AND SERIES Using this result, define hil)(z) a contour integral in the complex j’-plane as (j’= t’ z ’ ,where s) + d I d dt xdx‘ Indicate ... DERIVATIVES AND INTEGRALS situation on the applied side of this branch of mathematics is now changing rapidly, and there are now a growing number of research areas in science and engineering that...