Hot Integral - 12

Calculus Level 5

e 2 π i Ψ x f ( x ) d x = A B π C Ψ D E π F Ψ G s g n ( Ψ ) H π I Ψ J i M δ ( Ψ ) K π L \displaystyle \int\limits_{-\infty}^{\infty} e^{-2\pi i \Psi x}f(x)dx =\frac{A-B\pi^C\Psi^D - E\pi^F\Psi^Gsgn(\Psi)}{H\pi^I\Psi^J}i - \frac{M\delta''(\Psi)}{K\pi^L}

where

f ( x ) = x 3 + x 2 + 2 ( 1 + x s g n ( x ) ) 2 x \displaystyle f(x)=\frac{x^3 + x^2 + 2(1+xsgn(x))}{2x}

Calculate A + B + C + D + E + F + G + H + I + J + K + L + M A+B+C+D+E+F+G+H+I+J+K+L+M

Details and Assumptions

δ ( ) \bullet \delta(\cdot) represents delta function.

i = 1 \bullet i=\sqrt{-1}

s g n ( x ) = x x \bullet sgn(x)=\frac{|x|}{x} represents sign function.

A , B , C , D , E , F , G , H , I , J , K , L , M \bullet A,B,C,D,E,F,G,H,I,J,K,L,M are all positive integers.

\blacksquare This is a part of Hot Integrals


The answer is 41.

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