Question

Fimd the sum of first 24 term of the list of number s whose nth term is given by an=3+2n

Answer 1

Answer:

672

Step-by-step explanation:

1st term = 3 + 2 x 1 = 5

24th term = 3 + 2*24 = 51

Sum of all numbers =  {(5+51)/2}*24

28*24 = 672