If \( \alpha,\beta \) where \( \alpha<\beta \), are the roots of the equation
\[
\lambda x^2-(\lambda+3)x+3=0
\]
such that
\[
\frac{1}{\alpha}-\frac{1}{\beta}=\frac{1}{3},
\]
then the sum of all possible values of \( \lambda \) is:
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In root-based problems, converting reciprocal conditions into expressions involving sum and product simplifies the algebra.