Question

An arithmetic progression eith a=4 and. d=7 is ​

Answer 1

Answer:

We know, a

n

=a+(n−1)d

Putting the value given, we get

4=a+(7−1)(−4) or a=4+24

⟹a=28

Answer 2

Answer:

a=4

d=7

first term of Ap=4

second term of AP=4+7=11

third term of AP=11+7=18

So AP= 4,11,18....