(i) (\dfrac{1}{3},\dfrac{1}{5},\dfrac{1}{7},\ldots)
Reciprocals: (3,5,7,\ldots) A.P. with (a=3), (d=2)
9th reciprocal: (3+8\cdot2=19)
9th term: (\dfrac{1}{19})
(ii) (\dfrac{-1}{5},\dfrac{-1}{3},-1,\ldots)
Reciprocals: (-5,-3,-1,\ldots) A.P. with (d=2)
9th reciprocal: (-5+8\cdot2=11)
9th term: (\dfrac{1}{11})
Answer: (i) (\dfrac{1}{19}) (ii) (\dfrac{1}{11})