dy/dx=(x+y+1)/(x-y+1)的通解答案是e的arctg[y/(x+1)]次幂=c[(x+1)dy/dx=(x+y+1)/(x-y+1)的通解答案是e的arctg[y/(x+1)]次幂=c[(x+1)
问题描述:
dy/dx=(x+y+1)/(x-y+1)的通解答案是e的arctg[y/(x+1)]次幂=c[(x+1)
dy/dx=(x+y+1)/(x-y+1)的通解
答案是e的arctg[y/(x+1)]次幂=c[(x+1)
答