The n^th term of a series is given by 3n+4. (a) Write down the first four terms of the series. (b) Find the sum of the first...

The n^th term of a series is given by 3n+4.
(a) Write down the first four terms of the series.
(b) Find the sum of the first twenty terms of the series.
(c) Find the 30^th term.
(d) Show that the sum of the first n terms of the sequence is given by S_n=3/2n²+11/2n. Hence or otherwise, find the largest integral value of n such that Sn ≥130.

Answers

Kavungya answered the question on September 20, 2019 at 05:33

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