if the sum of the 1st 8thbterms is equal to the sum of 1st 7th terms. find the sum of the 15th term
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if the sum of the 1st 8thbterms is equal to the sum of 1st 7th terms. find the sum of the 15th term
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Step-by-step explanation:
Summary: The sum of the third and the seventh terms of an A.P is 6 and their product is 8 then the sum of first 16 terms of the A.P. is equal to 20 or 76.