Question

Find 25th term of AP 5,4.5,4,3.5,3....

Answer 1

Answer:

answer is = 17

Step-by-step explanation:

n=25, a=5, d=0.5, an = ?

= an=a+(n-1)d

= an=5+(25-1)(0.5)

= an=5+(24 x 0.5)

= an= 5+12

= an=  17