# You've seen this elsewhere

Calculus Level 4

$$I={ \int _{ 0 }^{ \infty }{ \frac { { x }^{ 2 }\cdot dx }{ { 2 }^{ x } } } }$$

If $$I$$ can be expressed in the form $$\frac { A }{ { \left( \ln { A } \right) }^{ B } }$$, find $$A+B$$.

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