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Differential of function
1936 days ago by Buyan
var('x') f=2*x^3 +3*x^2 -36*x +7 plot(f, (x,-6, 6))
df=diff(f,x) df
6*x^2 + 6*x - 36
6*x^2 + 6*x - 36
solve(df==0,x)
[x == -3, x == 2]
[x == -3, x == 2]
dff=diff(df,x) dff
12*x + 6
12*x + 6
solve(dff==0,x)
[x == (-1/2)]
[x == (-1/2)]