AIEEE 2004 Math Solved Paper

Section: Mathematics
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Question : 15 of 68
 
Marks: +1, -0
Let Tr be the rth term of an A.P. whose first term is a and common difference is d. If for some positive integers m,n,m≠n,Tm=‌
1
n
and Tn=‌
1
m
, then a-d equals
[AIEEE 2004]
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