2020-수학-가형-홀수-30¶
문제¶
풀이¶
from sympy import *
a,t,x0= symbols('a t x0')
A=nsolve(x0*log(x0)-1,x0,5)
A
\[\displaystyle 1.7632228343519\]
x0 = t+A
sol = solve((Eq(2*exp(x0-a), t**3*log(x0-t)), Eq(2*exp(x0-a), t**3/(x0-t))),a)
sol
{a: t - log(t**3) + 3.02351330532163}
f = sol[a]
f
\[\displaystyle t - \log{\left(t^{3} \right)} + 3.02351330532163\]
f_prime = f.diff(t).subs(t,Rational(1,3))
f_prime**2
\[\displaystyle 64\]