Question

. The sum of n terms of the series whose nth term 5.3n+1+2n is is given by (a) (5/2) [3^(n+2)-9]+n(n+1) (b) (2/5) [3^(n+2)-9]+n(n+1) (c) (5/2)[3^(n+2)+9]+n(n+1) (d) None​

Answer 1

Step-by-step explanation:

• The only difference between math and maths is where they're used. Math is the preferred term in the United States and Canada. Maths is the preferred term in the United Kingdom, Ireland, Australia, and other English-speaking places