Question

write the first fourth terms of the ap, when the first term a and b the common difference d are given. 1-> a=10, d=10? ​

Answer 1

Answer:

1 -20

2-30

3-40

4-50

Step-by-step explanation:

follow me

Answer 2

Answer:

a1=10

a2=20

a3=30

a4=40

Step-by-step explanation:

a=10

d=10

as we know a1=a

therefore

a1=10

and

a2=a+d

=10+10

=20

a3=a+2d

=10+ 2(10)

=10 +20

= 30

a4= a+3d

=10+3(10)

=10+30

=40