If for some number a and d,if first term is 1‚Äö√Ñ√∂‚àö√ñ‚àö√´a, second term is 1/(a+d) ,thrid term is 1/(a+2d) and so on,then 5th term of the sequence is :$

If for some number a and d,if first term is 1‚Äö√Ñ√∂‚àö

1.	If for some number a and d,if first term is ¹‚Äö√Ñ√∂‚àö√ñ‚àö√´_a, second term is 1/(a+d) ,thrid term is 1/(a+2d) and so on,then 5^th term of the sequence is :$
A.	a+4d
B.	a-4d
C.	1/(a+4d)
D.	None of the mentioned
Answer» D. None of the mentioned