请问微积分中的dx和dy分别表示什么意思?

1、d = differentiation = 微分 = 无穷小的增量dx = x 的无穷小增量 = infinitesimal increase in xdy = y 的无穷小增量 = infinitesimal increase in y2、△x = x的有限小增量 = infinite increase in x△y = y的有...