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(b) The fifth and twelve terms of an A.P. are respectively 17 and 45. Find the sum of the first 15 terms of the progression? it's a optional mathematics Questions please so…

(b) The fifth and twelve terms of an A.P. are respectively 17 and 45. Find the sum of the first 15 terms of the progression? it's a optional mathematics Questions please so…
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(b) The fifth and twelve terms of an A.P. are respectively 17 and 45. Find the sum of the first 15 terms of the progression?

it's a optional mathematics Questions please solve him​

User Almaz
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7.6k points

1 Answer

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I do not know how to solve this problem sorry see ypu later mabye

User Marc Juchli
by
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