Mathematics, 09.08.2021 20:40 almighty3120

A2×a5=52
a2+a3+a4+a5=34
a20?
(it's an Arithmetic progression)

Answers: 2

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You know the right answer?

A2×a5=52
a2+a3+a4+a5=34
a20?
(it's an Arithmetic progression)...