Question

write the first 4 term of the A.P whose first term is 10 and common difference is 5 ​

Answer 1

Step-by-step explanation:

a=10,d=5

a2=a+d

a2=10+5=15

a3=a+2d

a3=10+2(5)

a3=10+10

a3=20

a4=a+3d

a4=10+3(5)

a4=10+15

a4=25

The first 4 A.P. are: 10,15,20,25,........