var('x')
f(x)=5*x^4+3*x^2-1
df(x)=diff(f(x),x)
d2f(x)=diff(f(x),x,2)
print "f'(x)", df(x)
print "f''(x)=", d2f(x)
f'(x) 20*x^3 + 6*x f''(x)= 60*x^2 + 6 f'(x) 20*x^3 + 6*x f''(x)= 60*x^2 + 6 |
var('x')
p1 = plot((60*x^2 + 6), (x, -10, 10))
p1
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