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Question Number 190230 by 073 last updated on 29/Mar/23

Answered by Rasheed.Sindhi last updated on 29/Mar/23

a_5 =5−1=4   [ ∵  5=2(2)+1 ]  a_6 =2(6)+3=15   [ ∵ 6=2(3) ]  a_5 +a_6 =4+15=19

a5=51=4[5=2(2)+1]a6=2(6)+3=15[6=2(3)]a5+a6=4+15=19

Answered by a.lgnaoui last updated on 29/Mar/23

n=5 ⇒5 impair(=2×2+1)  a_5 =5−1=4  n=6⇒6 pair(6=2×3)  a_6 =2×6+3=15  alors:   a_5 +a_6 =15+4            a_5 +a_6 =19

n=55impair(=2×2+1)a5=51=4n=66pair(6=2×3)a6=2×6+3=15alors:a5+a6=15+4a5+a6=19

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