Math, asked by FairyTale7, 3 months ago

The sum of the third and the seventh terms of an A.P. is 32 and their product is 220. Find the sum of the first twenty-one terms of the A.P. (The terms of the A.P. are in ascending Order)​

Answers

Answered by shoaibmallik1003
4

Answer:

hence the required answer is 714

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