Question

the 5th term of an ap is 23 and 12th term is 37 find the first term and common differences​

Answer 1

Explanation:

a+4d= 23 ...i

a+36d = 37 ....ii

subtract eqn i st from ii nd

32d = 14

d= 14/32

therefore d = 7/16

put d =7/16. in eq i st

a = 23-7/4

a= 85/4

ans.....

Answer 2

hope this will help you.....