请问这个对了嘛
syms x y;
y=dsolve('Dy=y/x+lnx','x')
y =
C3*x + lnx*x*log(x)
dsolve('Dy=2*y+x^4*e^x','x')
ans =
exp(2*x)*((24*e^x*exp(-2*x))/(log(e) - 2)^5 + (12*e^x*x^2*exp(-2*x))/(log(e) - 2)^3 - (4*e^x*x^3*exp(-2*x))/(log(e) - 2)^2 + (e^x*x^4*exp(-2*x))/(log(e) - 2) - (24*e^x*x*exp(-2*x))/(log(e) - 2)^4) + C5*exp(2*x)
😣😣😣😣
#笔试题目#
y=dsolve('Dy=y/x+lnx','x')
y =
C3*x + lnx*x*log(x)
dsolve('Dy=2*y+x^4*e^x','x')
ans =
exp(2*x)*((24*e^x*exp(-2*x))/(log(e) - 2)^5 + (12*e^x*x^2*exp(-2*x))/(log(e) - 2)^3 - (4*e^x*x^3*exp(-2*x))/(log(e) - 2)^2 + (e^x*x^4*exp(-2*x))/(log(e) - 2) - (24*e^x*x*exp(-2*x))/(log(e) - 2)^4) + C5*exp(2*x)
😣😣😣😣
#笔试题目#
投递阿里云等公司7个岗位