Question

The difference btw 12th term and 8th term of an worth sequence is 20 find common difference

Answer 1

Answer:

Common difference = 5

Step-by-step explanation:

The difference between 12th term and 8th term = T₁₂ - T₈

                                          20 = a + 11d - (a + 7d)

                                           20 = a + 11d -a -7d

                                            20 = 4d

                                                 d = 5