d 7th n 9th term of an ap are 346 n 328 find d 2nd term

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d 7th n 9th term of an ap are 346 n 328 find d 2nd term

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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Just to restate your question. In the arithmetic progression 7th=346 and 9th=328. Need to find the 2nd term.
9th= 7th +2d 328=346 +2d then d = -9 7th = 2nd + 5d 2nd = 7th - 5d = 346 + 45 = 391
a7=a+(7-1)d d=-9 a7=346 346=a+6*(-9)=a-54 a=346+54=400 a2=400-9=391

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