Math, asked by emailayushh, 7 days ago

please tell me Q no only 19

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Answered by pukhrambamnehadevi

Answer:

Now, coming to the question, we are given that the 14th term of an A.P. is twice of the 8th term and 6th term of the same A.P. is -8 and hence, we have to determine the sum of the A.P. up to 20 terms. Hence, the sum of given A.P. up to 20 terms is -340.

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