Question

Vends

想問這題⋯每個選項都不懂🥲

Ex4.設a=1且 a, a, a3,…為等差數列,請選出正確的選項.
(A)若a>0,則a000>0 (B) a100 <0,
a1000 <0
(C) a1000>0, a1000
(D) a1000 <0,
100 <0
(E) a 1000 -a10=10 (a100-a₁ )
解答 (B)(C)(E)
(A) (B) (C) (D)
103.學測

等差數列

Answer 1

芊🎧

如圖，BD互相對應不正確