Question

23, 21, 19,.......,5
Find out the middle term of this a.p​

Answer 1

Answer:

13,15 is the ans

Step-by-step explanation:

23,21,19,17,15,13,11,9,7,5

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Answer 2

Step-by-step explanation:

an= a1 + (n-1)d

5 = 23+(n-1)2

5 = 23+2n-2

23-5=2n-2

18+2=2n

20/2=n

10 = n

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