Question

In an AP , if common difference d=-4 and the seventh term a7 =4 then find the first term

Answer 1

Hope it helps you ☺ !!!!!!!!

Answer 2

Step-by-step explanation:

given a7 = 4

d =-4

a7 = a +6d

4=a + 6×(-4)

4 = a-24

28 = a

so first term is 28

i think this is hlepfull for you