The sum of the first n terms of the arithmetic progression - вопрос №129852941064 от yanssen1976 11.03.2023 18:04

Question

Алгебра: The sum of the first n terms of the arithmetic progression 4,10, equals the 64th term of the arithmetic progression 21,42, find n? ​

yanssen1976 · Answer

Answer 21The solotion to this task...

The sum of the first n terms of the arithmetic progression 4,10, equals the 64th term of the arithmetic progression 21,42, find n? ​