\documentclass{article} \usepackage{axiom} \begin{document} \title{\$SPAD/input schaum26.input} \author{Timothy Daly} \maketitle \eject \tableofcontents \eject \section{\cite{1}:14.525~~~~~$\displaystyle \int{ln x}~dx$} $$\int{ln x}= x\ln{x}-x $$ <<*>>= )spool schaum26.output )set message test on )set message auto off )clear all --S 1 aa:=integrate(log(x),x) --R --R --R (1) x log(x) - x --R Type: Union(Expression Integer,...) --E --S 2 bb:=x*log(x)-x --R --R (2) x log(x) - x --R Type: Expression Integer --E --S 3 14:525 Schaums and Axiom agree cc:=aa-bb --R --R (3) 0 --R Type: Expression Integer --E @ \section{\cite{1}:14.526~~~~~$\displaystyle \int{x\ln{x}}~dx$} $$\int{x\ln{x}}= \frac{x^2}{2}\left(\ln{x}-\frac{1}{2}\right) $$ <<*>>= )clear all --S 4 aa:=integrate(x*log(x),x) --R --R --R 2 2 --R 2x log(x) - x --R (1) -------------- --R 4 --R Type: Union(Expression Integer,...) --E --S 5 bb:=x^2/2*(log(x)-1/2) --R --R 2 2 --R 2x log(x) - x --R (2) -------------- --R 4 --R Type: Expression Integer --E --S 6 14:526 Schaums and Axiom agree cc:=aa-bb --R --R (3) 0 --R Type: Expression Integer --E @ \section{\cite{1}:14.527~~~~~$\displaystyle \int{x^m\ln{x}}~dx$} $$\int{x^m\ln{x}}= \frac{x^{m+1}}{m+1}\left(\ln{x}-\frac{1}{m+1}\right) $$ <<*>>= )clear all --S 7 aa:=integrate(x^m*log(x),x) --R --R --R m log(x) --R ((m + 1)x log(x) - x)%e --R (1) ------------------------------- --R 2 --R m + 2m + 1 --R Type: Union(Expression Integer,...) --E --S 8 bb:=x^(m+1)/(m+1)*(log(x)-1/(m+1)) --R --R m + 1 --R ((m + 1)log(x) - 1)x --R (2) ------------------------- --R 2 --R m + 2m + 1 --R Type: Expression Integer --E --S 9 cc:=aa-bb --R --R m log(x) m + 1 --R ((m + 1)x log(x) - x)%e + ((- m - 1)log(x) + 1)x --R (3) ------------------------------------------------------------- --R 2 --R m + 2m + 1 --R Type: Expression Integer --E --S 10 explog:=rule(%e^(n*log(x)) == x^n) --R --R n log(x) n --R (4) %e == x --R Type: RewriteRule(Integer,Integer,Expression Integer) --E --S 11 dd:=explog cc --R --R m + 1 m --R ((- m - 1)log(x) + 1)x + ((m + 1)x log(x) - x)x --R (5) ----------------------------------------------------- --R 2 --R m + 2m + 1 --R Type: Expression Integer --E --S 12 14:527 Schaums and Axiom agree ee:=complexNormalize dd --R --R (6) 0 --R Type: Expression Integer --E @ \section{\cite{1}:14.528~~~~~$\displaystyle \int{\frac{\ln{x}}{x}}~dx$} $$\int{\frac{\ln{x}}{x}}= \frac{1}{2}\ln^2{x} $$ <<*>>= )clear all --S 13 aa:=integrate(log(x)/x,x) --R --R --R 2 --R log(x) --R (1) ------- --R 2 --R Type: Union(Expression Integer,...) --E --S 14 bb:=1/2*log(x)^2 --R --R 2 --R log(x) --R (2) ------- --R 2 --R Type: Expression Integer --E --S 15 14:528 Schaums and Axiom agree cc:=aa-bb --R --R (3) 0 --R Type: Expression Integer --E @ \section{\cite{1}:14.529~~~~~$\displaystyle \int{\frac{\ln{x}}{x^2}}~dx$} $$\int{\frac{\ln{x}}{x^2}}= -\frac{\ln{x}}{x}-\frac{1}{x} $$ <<*>>= )clear all --S 16 aa:=integrate(log(x)/x^2,x) --R --R --R - log(x) - 1 --R (1) ------------ --R x --R Type: Union(Expression Integer,...) --E --S 17 bb:=-log(x)/x-1/x --R --R - log(x) - 1 --R (2) ------------ --R x --R Type: Expression Integer --E --S 18 14:529 Schaums and Axiom agree cc:=aa-bb --R --R (3) 0 --R Type: Expression Integer --E @ \section{\cite{1}:14.530~~~~~$\displaystyle \int{\ln^2{x}}~dx$} $$\int{\ln^2{x}}= x\ln^2{x}-2x\ln{x}+2x $$ <<*>>= )clear all --S 19 aa:=integrate(log(x)^2,x) --R --R --R 2 --R (1) x log(x) - 2x log(x) + 2x --R Type: Union(Expression Integer,...) --E --S 20 bb:=x*log(x)^2-2*x*log(x)+2*x --R --R 2 --R (2) x log(x) - 2x log(x) + 2x --R Type: Expression Integer --E --S 21 14:530 Schaums and Axiom agree cc:=aa-bb --R --R (3) 0 --R Type: Expression Integer --E @ \section{\cite{1}:14.531~~~~~$\displaystyle \int{\frac{\ln^n{x}}{x}}~dx$} $$\int{\frac{\ln^n{x}}{x}}= \frac{ln^{n+1}{x}}{n+1} $$ <<*>>= )clear all --S 22 aa:=integrate(log(x)^n/x,x) --R --R --R n log(log(x)) --R log(x)%e --R (1) --------------------- --R n + 1 --R Type: Union(Expression Integer,...) --E --S 23 bb:=log(x)^(n+1)/(n+1) --R --R n + 1 --R log(x) --R (2) ----------- --R n + 1 --R Type: Expression Integer --E --S 24 cc:=aa-bb --R --R n log(log(x)) n + 1 --R log(x)%e - log(x) --R (3) ----------------------------------- --R n + 1 --R Type: Expression Integer --E --S 25 explog:=rule(%e^(n*log(x)) == x^n) --R --R n log(x) n --R (4) %e == x --R Type: RewriteRule(Integer,Integer,Expression Integer) --E --S 26 dd:=explog cc --R --R n + 1 n --R - log(x) + log(x)log(x) --R (5) ----------------------------- --R n + 1 --R Type: Expression Integer --E --S 27 14:531 Schaums and Axiom agree ee:=complexNormalize dd --R --R (6) 0 --R Type: Expression Integer --E @ \section{\cite{1}:14.532~~~~~$\displaystyle \int{\frac{dx}{x\ln{x}}}$} $$\int{\frac{1}{x\ln{x}}}= \ln(\ln{x}) $$ <<*>>= )clear all --S 28 aa:=integrate(1/(x*log(x)),x) --R --R --R (1) log(log(x)) --R Type: Union(Expression Integer,...) --E --S 29 bb:=log(log(x)) --R --R (2) log(log(x)) --R Type: Expression Integer --E --S 30 14:532 Schaums and Axiom agree cc:=aa-bb --R --R (3) 0 --R Type: Expression Integer --E @ \section{\cite{1}:14.533~~~~~$\displaystyle \int{\frac{dx}{\ln{x}}}$} $$\int{\frac{1}{\ln{x}}}= \ln(\ln{x})+\ln{x}+\frac{\ln^2{x}}{2\cdot 2!} +\frac{\ln^3{x}}{3\cdot 3!}+\cdots $$ <<*>>= )clear all --S 31 14:533 Schaums and Axiom agree by definition aa:=integrate(1/log(x),x) --R --R --R (1) li(x) --R Type: Union(Expression Integer,...) --E @ \section{\cite{1}:14.534~~~~~$\displaystyle \int{\frac{x^m}{\ln{x}}}~dx$} $$\int{\frac{x^m}{\ln{x}}}= \ln(\ln{x})+(m+1)\ln{x}+\frac{(m+1)^2\ln^2{x}}{2\cdot 2!} +\frac{(m+1)^3\ln^3{x}}{3\cdot 3!}+\cdots $$ <<*>>= )clear all --S 32 14:534 Axiom cannot compute this integral aa:=integrate(x^m/log(x),x) --R --R --R x m --I ++ %I --I (1) | ------- d%I --I ++ log(%I) --R Type: Union(Expression Integer,...) --E @ \section{\cite{1}:14.535~~~~~$\displaystyle \int{\ln^n{x}}~dx$} $$\int{\ln^n{x}}= x\ln^n{x}-n\int{\ln^{n-1}{x}} $$ <<*>>= )clear all --S 33 14:535 Axiom cannot compute this integral aa:=integrate(log(x)^n,x) --R --R --R x --R ++ n --I (1) | log(%I) d%I --R ++ --R Type: Union(Expression Integer,...) --E @ \section{\cite{1}:14.536~~~~~$\displaystyle \int{x^m\ln^n{x}}~dx$} $$\int{x^m\ln^n{x}}= \frac{x^{m+1}\ln^n{x}}{m+1}-\frac{n}{m+1}\int{x^m\ln^{n-1}{x}} $$ <<*>>= )clear all --S 34 14:536 Axiom cannot compute this integral aa:=integrate(x^m*log(x)^n,x) --R --R --R x --R ++ m n --I (1) | %I log(%I) d%I --R ++ --R Type: Union(Expression Integer,...) --E @ \section{\cite{1}:14.537~~~~~$\displaystyle \int{\ln{(x^2+a^2)}}~dx$} $$\int{\ln{(x^2+a^2)}}= x\ln(x^2+a^2)-2x+2a\tan^{-1}\frac{x}{a} $$ <<*>>= )clear all --S 35 aa:=integrate(log(x^2+a^2),x) --R --R --R 2 2 x --R (1) x log(x + a ) + 2a atan(-) - 2x --R a --R Type: Union(Expression Integer,...) --E --S 36 bb:=x*log(x^2+a^2)-2*x+2*a*atan(x/a) --R --R 2 2 x --R (2) x log(x + a ) + 2a atan(-) - 2x --R a --R Type: Expression Integer --E --S 37 14:537 Schaums and Axiom agree cc:=aa-bb --R --R (3) 0 --R Type: Expression Integer --E @ \section{\cite{1}:14.538~~~~~$\displaystyle \int{\ln(x^2-a^2)}~dx$} $$\int{\ln(x^2-a^2)}= x\ln(x^2-a^2)-2x+a\ln\left(\frac{x+a}{x-a}\right) $$ <<*>>= )clear all --S 38 aa:=integrate(log(x^2-a^2),x) --R --R --R 2 2 --R (1) x log(x - a ) + a log(x + a) - a log(x - a) - 2x --R Type: Union(Expression Integer,...) --E --S 39 bb:=x*log(x^2-a^2)-2*x+a*log((x+a)/(x-a)) --R --R 2 2 x + a --R (2) x log(x - a ) + a log(-----) - 2x --R x - a --R Type: Expression Integer --E --S 40 cc:=aa-bb --R --R x + a --R (3) a log(x + a) - a log(x - a) - a log(-----) --R x - a --R Type: Expression Integer --E --S 41 14:538 Schaums and Axiom agree dd:=expandLog cc --R --R (4) 0 --R Type: Expression Integer --E @ \section{\cite{1}:14.539~~~~~$\displaystyle \int{x^m\ln(x^2\pm a^2)}~dx$} $$\int{x^m\ln(x^2\pm a^2)}= \frac{x^{m-1}\ln(x^2\pm a^2)}{m+1} -\frac{2}{m+1}\int{\frac{x^{m+2}}{x^2\pm a^2}} $$ <<*>>= )clear all --S 42 aa:=integrate(x^m*log(x^2+a^2),x) --R --R --R x --R ++ 2 2 m --I (1) | log(a + %I )%I d%I --R ++ --R Type: Union(Expression Integer,...) --E )clear all --S 43 14:539 Axiom cannot compute this integral aa:=integrate(x^m*log(x^2-a^2),x) --R --R --R x --R ++ 2 2 m --I (1) | log(- a + %I )%I d%I --R ++ --R Type: Union(Expression Integer,...) --E )spool )lisp (bye) @ \eject \begin{thebibliography}{99} \bibitem{1} Spiegel, Murray R. {\sl Mathematical Handbook of Formulas and Tables}\\ Schaum's Outline Series McGraw-Hill 1968 p86 \end{thebibliography} \end{document}