NCTM

3362 days ago by CSH2012

(x^2-13*x+40)*(x^2-13*x+42)/sqrt(x^2-12*x+35)==0 
       
\newcommand{\Bold}[1]{\mathbf{#1}}\frac{{\left(x^{2} - 13 \, x + 40\right)} {\left(x^{2} - 13 \, x + 42\right)}}{\sqrt{x^{2} - 12 \, x + 35}} = 0
\newcommand{\Bold}[1]{\mathbf{#1}}\frac{{\left(x^{2} - 13 \, x + 40\right)} {\left(x^{2} - 13 \, x + 42\right)}}{\sqrt{x^{2} - 12 \, x + 35}} = 0
solve((x^2-13*x+40)*(x^2-13*x+42)/sqrt(x^2-12*x+35)==0,x) 
       
\newcommand{\Bold}[1]{\mathbf{#1}}\left[x = 6, x = 7, x = 5, x = 8\right]
\newcommand{\Bold}[1]{\mathbf{#1}}\left[x = 6, x = 7, x = 5, x = 8\right]
plot((x^2-13*x+40)*(x^2-13*x+42)/sqrt(x^2-12*x+35),6,8) 
       
verbose 0 (4101: plot.py, generate_plot_points) WARNING: When plotting,
failed to evaluate function at 100 points.
verbose 0 (4101: plot.py, generate_plot_points) Last error message:
'negative number to a fractional power not real'
verbose 0 (4101: plot.py, generate_plot_points) WARNING: When plotting, failed to evaluate function at 100 points.
verbose 0 (4101: plot.py, generate_plot_points) Last error message: 'negative number to a fractional power not real'
f(x)=(x^2-13*x+40)*(x^2-13*x+42)/sqrt(x^2-12*x+35);f(x) 
       
\newcommand{\Bold}[1]{\mathbf{#1}}\frac{{\left(x^{2} - 13 \, x + 40\right)} {\left(x^{2} - 13 \, x + 42\right)}}{\sqrt{x^{2} - 12 \, x + 35}}
\newcommand{\Bold}[1]{\mathbf{#1}}\frac{{\left(x^{2} - 13 \, x + 40\right)} {\left(x^{2} - 13 \, x + 42\right)}}{\sqrt{x^{2} - 12 \, x + 35}}
show(f(6)) show(f(8)) 
       
\newcommand{\Bold}[1]{\mathbf{#1}}0
\newcommand{\Bold}[1]{\mathbf{#1}}0
\newcommand{\Bold}[1]{\mathbf{#1}}0
\newcommand{\Bold}[1]{\mathbf{#1}}0
g(x)=(x^2-13*x+40)*(x^2-13*x+42);g(x) 
       
\newcommand{\Bold}[1]{\mathbf{#1}}{\left(x^{2} - 13 \, x + 40\right)} {\left(x^{2} - 13 \, x + 42\right)}
\newcommand{\Bold}[1]{\mathbf{#1}}{\left(x^{2} - 13 \, x + 40\right)} {\left(x^{2} - 13 \, x + 42\right)}
show(g(5)) show(g(6)) show(g(7)) show(g(8)) 
       
\newcommand{\Bold}[1]{\mathbf{#1}}0
\newcommand{\Bold}[1]{\mathbf{#1}}0
\newcommand{\Bold}[1]{\mathbf{#1}}0
\newcommand{\Bold}[1]{\mathbf{#1}}0
\newcommand{\Bold}[1]{\mathbf{#1}}0
\newcommand{\Bold}[1]{\mathbf{#1}}0
\newcommand{\Bold}[1]{\mathbf{#1}}0
\newcommand{\Bold}[1]{\mathbf{#1}}0
plot(g(x),5,8) 
       
h(x)=sqrt(x^2-12*x+35);h(x) 
       
\newcommand{\Bold}[1]{\mathbf{#1}}\sqrt{x^{2} - 12 \, x + 35}
\newcommand{\Bold}[1]{\mathbf{#1}}\sqrt{x^{2} - 12 \, x + 35}
plot(h(x),xmin=6,xmax=8,ymin=-1,ymax=10) 
       
verbose 0 (4101: plot.py, generate_plot_points) WARNING: When plotting,
failed to evaluate function at 100 points.
verbose 0 (4101: plot.py, generate_plot_points) Last error message: ''
verbose 0 (4101: plot.py, generate_plot_points) WARNING: When plotting, failed to evaluate function at 100 points.
verbose 0 (4101: plot.py, generate_plot_points) Last error message: ''
show(h(6)) show(h(8)) 
       
\newcommand{\Bold}[1]{\mathbf{#1}}i
\newcommand{\Bold}[1]{\mathbf{#1}}\sqrt{3}
\newcommand{\Bold}[1]{\mathbf{#1}}i
\newcommand{\Bold}[1]{\mathbf{#1}}\sqrt{3}
plot(x^2-12*x+35,6,8)