Question

in an ap 1/15,1/12,1/10 find s11​

Answer 1

Answer:

hey fella here's your answer

33/20

Step-by-step explanation:

a=1/15

Now,d=1/12-1/15= 5-4/60=. 1/60

Now, S(11)= 11/2[2*1/15+10*1/60]

11/2[2/15 +1/6]

11/2[4-5/30]

11/2*9/30

finally,

11/2*3/10=33/20

hope it helps u

pls follow me