Let am (m = 1, 2, ,p) be the possible in...

Let `a_m (m = 1, 2, ,p)` be the possible integral values of a for which the graphs of `f(x) =ax^2+2bx +b` and `g(x) =5x^2-3bx-a`meets at some poin for which the graphs o t for all real values of b Let `t_r = prod_(m=1)^p(r-a_m )` and `S_n =sum_(r=1)^n t_r. n in N` The minimum possible value of a i

`1/5`

`5/26`

`3/28`

`2/43`

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