A-Level Maths: D4-10 Arithmetic Sequences: 21st term is 118, Sum of the first 132 terms is 48609

preview_player
Показать описание


Рекомендации по теме
Комментарии
Автор

hi jack are these videos specifically for AQA??

hassanashraf
Автор

Can you sub in 132 as L and solve using the other formula, or is 132 not actually the last term ?

tacituskilgore
Автор

Hi sir, sorry why did you do 2x equation 1?

ironknight