Question

3. If in any decreasing arithmetic progression, sum of all its terms, except the first term is equal to -
36, the sum of all its terms, except for the last term is zero and the difference of the tenth and the
soch term is equal to - 16. then first term of the series is
(a) 15 (b) 14 (c) 16 (d) 17​

Answer 1

Answer:

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Step-by-step explanation:

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