Question

find the first term and common difference of AP : 100,70,40,10​

Answer 1

Answer:

a = 100 , d = -30

Step-by-step explanation:

100,70,40.10  is the give AP

here the first term is a = 100

common difference, d = 2nd term - 1st term

                                     = 70-100

                                     = -30