Question

1.In an AP , If d = -4 , n= 7 , an = 4 , then a is --------.

Answer 1

Answer:

a=28

Step-by-step explanation:

an=a+(n-1)d

4=a+(7-1)-4

4=a-24

a=28 ans

Answer 2

GIVEN THAT

D=-4

n=7

an=4

a=

an=a+[n-1]d

4=a-24

a=28