Question

find the 31st term of an ap whose 11 th term is 38 and 16 th term is 73?​

Answer 1

Answer:

a+10d=38

a+15d=73

subtractring 2 from 1

5d=35

d=7 puting it in 1 equation

a=-32

a31=a+30d

=-32+210 = -178