Chapter12: Sequences, Series And Binomial Theorem
Section12.2: Arithmetic Sequences
Problem 12.32TI: Find the nineteenth term of a sequence where the fifth term is 1 and the common difference is -4....
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Transcribed Image Text:Q10.
The 25th term of an arithmetic series is 38.
The sum of the first 40 terms of the series is 1250.
(a)
Show that the common difference of this series is 1.5.
(b)
Find the number of terms in the series which are less than 100.
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