Question

Find 11th term from the end of the ap 11, 8, 5,....(-61)

Answer 1

Step-by-step explanation:

(-61)......5,8,11

a=(-61) d=3 an=11 n=?

11=-61+n-1*3

11=61+3n-3

11=3n+58

11-58=3n

-47=3n