Question

Kevin

紅底線部分是如何代換的

0QD Fimd Ceaeral Solatiea ferEuler-Cauchy Hinear differeatial equafiea 寢補4空,o-er+l2smda生
Tet ~ thea =-lnx amd [D,(D, 1一4 +6Dy-6er+12sin(z) (5$6)
PCp.-D-4p,+6-0二和~-23 amd 4a    (5$6)

   6     1            12p+1                6
GO- 0 re 55G0- 7- 2510 = +10D)sm(C)- 3 +7tcos()+smG)】 (36)

 

 

 

點 之+3x+5kestn9+sinQn2]    (596)