Question

Find the middle terms of AP 9,15,21,27,.....183​

Answer 1

Answer:

answer is given below

Step-by-step explanation:

a=9 ,d=15-9=6 ,An=18then

An=a+(n-1)d

183=9+(n-1)6

(n-1)=(183-9)÷6

(n-1)=29

n= 30 terms

then the middle term is

a+14d and a+ 15d

thank u

Answer 2

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