Question

∫2xcosx^2dx = ∫sinx^2dx^2 吗?

Answer 1

答：∫2xcosx^2dx≠∫sinx^2dx^2

因为,∫2xcosx^2dx = ∫cosx^2dx^2 = sinx^2+C

而 ∫sinx^2dx^2 =-cosx^2+C

注意：sinx^2与sin²x 的区别

所以,它们不相等