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The nth 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 nth 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 30th term.
(d) Show that the sum of the first n terms of the sequence is given by Sn=3/2n2+11/2n. Hence or otherwise, find the largest integral value of n such that Sn ≥130.

  

Answers


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


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