I BET HE'S THINKING ABOUT OTHER WOMEN. IF ∫₀^∞ (E^(-X^2) DX) * D/DX[(LN(X^4 + 1) * TAN⁻¹(X)) / √(1 - SIN²(X))] + Σ[N=1 TO ∞] ((-1)^N * X^(2N)) / N! + LIM[X→0] [(SIN(X) - X)/X³] = Π/2 * LN(X^2 + 1) + E^(IΠ) + Γ(N)/Ζ(2), THEN WHY IS MY ANSWER STILL 7I√(-X) WHEN X = 0?