Find the thirtieth term of the following sequence.

Question

-6, -4, -2, 0, ...

Answer 1

Given series is -6, -4, -2, 0,.........

The given series is arithmetic series where a = -6 = first term

 Common difference d = 2nd term - first term = -4 -(-6)

                                                                       = -4 + 6

                                                                       = 2                                                               

 To find the nth term we have the fornula,

                                     

                                     

                                            = -6 + 29*2

                                            = -6 + 58

                                            = 52

Therefore thirtieth term of the given arithmetic series is 52.