Math, asked by advsschandran, 10 months ago

find the middle term of the AP: 5,2,-1,-4.......-31

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Answered by bhavadharini0

3

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Answered by Anonymous

5

Answer:

-31=5+(n-1)(-3) n-1=-36/-3. n=12+1=13. middle term=(13+1)/2.

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