Math, asked by adityaryan28, 2 months ago

29. Find the sum of all the 11 terms of an AP whose middle most terrn is 30.

Answers

Answered by Anonymous

1

Answer:

» Sum of 11 terms in A.P is

» 6 (30) = 180

Concept:

» Sum of 1st term and last term

= Sum of 2nd term and second last term

= Sum of 3rd term and 3rd last term

....

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