畳たたみ込こみ級きゅう数すう

noun

telescoping series

Rare mathematical term for a series where most terms cancel out, leaving only a few initial and final terms. Used in advanced calculus and analysis contexts.

• 畳たたみ込こみ級きゅう数すうは、部ぶ分ぶん分ぶん数すう分ぶん解かいによって和わを簡かん単たんに求もとめられることが多おおい。

  Telescoping series often allow easy summation through partial fraction decomposition.