Question

if an ap,if d=-4,n=7,an=4,then a=​

Answer 1

Answer:

a = 28

Step-by-step explanation:

(I'm not very perfect in Arithmetic Progession chapter, So please don't mind if I say wrong answer)

an = a + (n-1)d

4 = a + (7-1)-4

4 = a + (6)-4

4 = a - 24

4 + 24 = a

28 = a