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Let S(n) and Delta(n) be the sum of firs...

Let `S_(n)` and `Delta_(n)` be the sum of first n terms of 2A.P' 's whose `r_(th)` term are `T_(r)` and `t_(r)` respectively.If `(S_(n))/(Delta_(n))=(2n+5)/(3n+2)` then `(T_(11))/(t_(10))=(m_(1))/(m_(2))` where `m_(1) and m_(2)` are coprime. Find the value of `(m_(2)-m_(1))/(2)`= ?

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