409.sagews

Syntax Error: show(f)

f=x^4+4*x^2
show(f)

{x}^{4} + {4 {x}^{2} }

diff(f,x)

4*x^3 + 8*x

diff(f,2)

12*x^2 + 8

df(x)=(4*x^3+8*x)
solve(df==0,x)

[x == -sqrt(2)*I, x == sqrt(2)*I, x == 0]

df(-2);df(2)

-48 48

plot(f,-2,2)

f=((x)/(x^2-1))
show(f)

\frac{x}{{x}^{2} - 1}

diff(f,x)

1/(x^2 - 1) - 2*x^2/(x^2 - 1)^2

diff(f,2)