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Posted: **Sun Jul 10, 2022 10:52 am**

: 8 Use Division And Or Multiplication Of Known Power Series To Find The First Four Non Zero Terms In The Laurent E Cosh 1 (12.02 KiB) Viewed 45 times

8. Use division and/or multiplication of known power series to find the first four non-zero terms in the Laurent e² cosh z 22 expansion of in the region 0 < |z| <∞.