Question

1)Which of the following lists of numbers are Arithmetic Progressions? Justify.

i) 4, 3, 2, 1, ..​

Answer 1

Step-by-step explanation:

yes it is an AP

yes it is an AP because common difference (d) = 3-4 = -1

yes it is an AP because common difference (d) = 3-4 = -1 = 2-3 = -1

yes it is an AP because common difference (d) = 3-4 = -1 = 2-3 = -1 = 1-2 = -1