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Trustted
 3 years ago
d 7th n 9th term of an ap are 346 n 328 find d 2nd term
Trustted
 3 years ago
d 7th n 9th term of an ap are 346 n 328 find d 2nd term

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MarinaDL
 3 years ago
Best ResponseYou've already chosen the best response.0Just to restate your question. In the arithmetic progression 7th=346 and 9th=328. Need to find the 2nd term.

hoblos
 3 years ago
Best ResponseYou've already chosen the best response.29th= 7th +2d 328=346 +2d then d = 9 7th = 2nd + 5d 2nd = 7th  5d = 346 + 45 = 391

MarinaDL
 3 years ago
Best ResponseYou've already chosen the best response.0a7=a+(71)d d=9 a7=346 346=a+6*(9)=a54 a=346+54=400 a2=4009=391
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