Question

find the first four terms of an AP. when a=10, d=5​

Answer 1

Answer:

10 ,15, 20, 25

Step-by-step explanation:

a= 10

d=5

a represents the first term

a0 = 10

a1 = a0 + d

= 10 + 5 = 15

a2 = a1 + d

= 15 + 5 = 20

a3 = a2 + 5

, = 20 + 5

= 25

Answer 2

Step-by-step explanation:

Given, a=10 and d=3

First term, a

1

=a=10

Second term, a

2

=a+d=10+3=13

Third term, a

3

=a+2d=10+2×3=10+6=16

Fourth term, a

4

=a+3d=10+3×3=10+9=19.