Question

Find the ap whose 2,term is 12 and 7 terms is exceeds the 4 by 15

Answer 1

Answer:

Step-by-step explanation:

given

a+d = 12

a + 6d = a +3d +15

6d = 3d +15

6d - 3d = 15

3d = 15

d = 5

a + d = 12

a + 5 = 12

a = 12-5

a = 7

the a.p is 7,12,17,22,27......