Between 1and 31 are inserted marithmetic means so that the ratio of the 7th term and (m-1)th means is 5:9.find the value of m.
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Chapter 9 Class 11 Sequences and Series. Next: Ex 9.2, 17→. ... Ex 9.2,16 Between 1 and 31, m numbers have been inserted in such a way that the resulting sequence is an A.P. and the ratio of 7th and (m – 1)th numbers is 5 : 9.
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