若<img src="https://storage.tutusouti.com/pzst/question_bank/res/86/e2/86e2bd79545e332262810c8ce88886953240451c.jpg?x-oss-process=image/sharpen,200"/>是<img src="https://storage.tutusouti.com/pzst/question_bank/res/4a/7f/4a7f98d142bf5584f11e55817d6c469c732bc37b.jpg?x-oss-process=image/sharpen,200"/>的一个原函数，则<img src="https://storage.tutusouti.com/pzst/question_bank/res/64/a8/64a82ef9587b7529a3cc521b984a7605bdb5b932.jpg?x-oss-process=image/sharpen,200"/>（）