2020-수학-가형-홀수-4¶

문제¶

2020-수학-가형-홀수-4

from sympy import * 

x = symbols('x')

expr = (2*x+1/x**2)**4

expr_expanded = expand(expr)

expr_expanded

\[\displaystyle 16 x^{4} + 32 x + \frac{24}{x^{2}} + \frac{8}{x^{5}} + \frac{1}{x^{8}}\]

expr_expanded.coeff(x)

\[\displaystyle 32\]