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# CBSE Class 10 Answered

There is an A.P whose first and last terms are 3 and 51.Ravi arranged all 11 terms between them.can u find it??
Asked by chandra.palem7292 | 30 Dec, 2019, 05:37: AM
Expert Answer
There is an A.P whose first and last terms are 3 and 51. Ravi arranged all 11 terms between them.

According to the question,
a1 = 3 and t13 = 51
a + (n - 1)d = tn
3 + 12d = 51
12d = 48
d = 4
Hence, A.P. is
3, 7, 11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51
Answered by Sneha shidid | 30 Dec, 2019, 09:36: AM

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