题目

交换积分次序(int )_(0)^1dx(int )_(x)^1sin (y)^2dy 的式子为(int )_(0)^1dx(int )_(x)^1sin (y)^2dyA (int )_(0)^1dx(int )_(x)^1sin (y)^2dyB (int )_(0)^1dx(int )_(x)^1sin (y)^2dy C (int )_(0)^1dx(int )_(x)^1sin (y)^2dy D (int )_(0)^1dx(int )_(x)^1sin (y)^2dy

交换积分次序 的式子为

A  

B  

C   

D 

题目解答

答案

已知积分区域为，交换积分次序后可以发现的上限与下限之和为1，解，得，所以的上限为，所以本道题的答案为A