# If the 7 th term of an A.P. is 1/9 and 9 th term is 1/7, find 63 rd term. Thanks in advance.

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a+6d=1/9...........(1)

a+8d=1/7...........(2)

add (1)+(2)

a+6d=1/9

a+8d=1/7

- - -

-2d=-2/63

d=63

put value of d in (1) term and from that u find value of a and put the value of a and d in a+62d=, from this u can find the answer