べき級数 です
beki kyūsūdesu
1. Polite form of series. ; Polite series.
Noun
#232005
1. Polite form of series. ; Polite series.
1. should; must
1. should not; must not
1. mortal
1. must; should
2. will (surely); be bound to
3. will (do); shall
1. series
1. possible; probable
2. preferable; desirable
1. dot tiles; circle tiles
1. geometric (progression, etc.)
1. exponent; power