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intP(x)e^(kx)dx=Q(x)e^(4x)+C , where P(x...

`intP(x)e^(kx)dx=Q(x)e^(4x)+C` , where `P(x)` is polynomial of degree n and `Q(x)` is a polynomial of degree 7. Then the value of `n+7+k+lim_(xrarrinfty)(P(x))/(Q(x))` is :

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