сумма
/ ____\ / ____\ / ____\ / ____\ 2*pi pi pi 2*pi I*log\11 - 2*\/ 30 / I*log\11 + 2*\/ 30 / I*log\11 - 2*\/ 30 / I*log\11 + 2*\/ 30 / - ---- - -- + -- + ---- - -------------------- - -------------------- + pi - -------------------- + pi - -------------------- 3 3 3 3 2 2 2 2
=
/ ____\ / ____\ 2*pi - I*log\11 - 2*\/ 30 / - I*log\11 + 2*\/ 30 /
произведение
/ ____\ / ____\ / / ____\\ / / ____\\ -2*pi -pi pi 2*pi -I*log\11 - 2*\/ 30 / -I*log\11 + 2*\/ 30 / | I*log\11 - 2*\/ 30 /| | I*log\11 + 2*\/ 30 /| -----*----*--*----*----------------------*----------------------*|pi - --------------------|*|pi - --------------------| 3 3 3 3 2 2 \ 2 / \ 2 /
=
4 / / ____\\ / / ____\\ / ____\ / ____\ -pi *\2*pi - I*log\11 - 2*\/ 30 //*\2*pi - I*log\11 + 2*\/ 30 //*log\11 - 2*\/ 30 /*log\11 + 2*\/ 30 / ------------------------------------------------------------------------------------------------------- 324