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The sum of n terms of an A.P is 3n2+5n.Find the A.P hence find its 15th term |
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Answer» Ok guys sry my fault ????? U r wrong simian. ....find once again Ap is 8 , 14 ,20 , 26....... and 15th term =92 AP is 11 ,22, 33... Ap= 8,14,20.......and 15 the term =92 92 |
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