Question

in an Ap if d=-4, n=7,an=4 then a is​

Answer 1

Step-by-step explanation:

an=a+(n-1) d

4=a+(7-1)(-4)

4=a+(6)(-4)

4=a-24

a=28

Answer 2

Answer:

Step-by-step explanation:

d=-4

n=7

an=4

then a=?

as we know the formula,

an=a+(n-1)d

4= a+(7-1)(-4)

4=a+6(-4)

4=a-24

a=28

here is your answer hope u understand....