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\newcommand{\Bold}[1]{\mathbf{#1}}-e^{\left(-\mbox{lam} x\right)} + 1
F_X(x)=1-e^{-\lambda x}
-2*(e^(-lam*u)/lam - 1/lam)*lam^2*e^(-lam*u)
-2*lam*e^(-2*lam*u) + 2*lam*e^(-lam*u)
f_U(u)=-2\lambda e^{-2\lambda u} + 2\lambda e^{-\lambda u}
2*(e^(lam*u) - 1)*lam*e^(-2*lam*u)
f_U(u)=2\lambda(e^{\lambda u}-1) e^{-2\lambda u}
f_U(u)=2\lambda(1-e^{-\lambda u}) e^{-\lambda u}
f_{U}(u)=2(F_{X}(u))*f_{X}(u)
f_U(u)=2(1-e^{-\lambda u})\lambda e^{-\lambda u}=2\lambda(1-e^{-\lambda u}) e^{-\lambda u}
f_V(v)=2(1-F_X(v))^{2-1}f_X(v)=2(1-\Phi(v))\phi(v)
\Large \phi(v)=\frac{1}{2*\sqrt{\pi}} e^{-\frac{1}{2} v^2}
\Large \Phi(v)=\frac{1}{2*\sqrt{\pi}} \int^{v}_{-\infty} e^{-\frac{1}{2}x^2}dx
0.917915001376101
F_X(x)=1-(\frac{b}{b+x})^a
0.665292409928759