IIT JEE , AIEEE Forum - Mathematics , Algebra - Find the largest positive term of the A.P. whose first two terms are 2/5 and 12/23.

iit009

u should have question as which is largest term in H.P not A.P.If they r in H.P then only ur answer will be 6 .
but can u tell from which book or material u get this question..
solution:
1st term is 2/5=12/30 and 2nd term is 12/23
so series is 12/30,12/23,12/10,12/9,12/2,12/-5,................
so greatest term is 5th term i.e. 6 which is answer.

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