1. The sum of three terms of an AP is 21 and there product is 315. find the terms.
2. The 9th term of an AP is 3 times the 5th term.
a. find the relation b/w the first term and the common difference.
b. prove that the 8th term is 5 times the 5th term.?
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Asked by Henry G. on 11th February, 2019
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