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Let f(x)=x^2-bx+c,b is an odd positive ...

Let `f(x)=x^2-bx+c,b` is an odd positive integer. Given that f(x)=0 has two prime numbers as roots and b+c=35. If the least value of `f(x) AA x in R" is "lambda," then "[|lambda/3|]` is equal to (where [.] denotes greatest integer function)

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