where can i find difficult differential equation problems, such as mixing problems, population problems???? But the hard nitty gritty versions of these problems. Like "how much liquid has dripped out of a vat?" Like the questions examiners use to seperate the candidates.

Question

where can i find difficult differential equation problems, such as mixing problems, population problems????  But the hard nitty gritty versions of these problems. Like "how much liquid has dripped out of a vat?" Like the questions examiners use to seperate the candidates.

anonymous · Answer

or just a text book's name that has some cruel and extremely difficult questions for single variable calculus.

jhannybean · Answer

Calculus book. Look up Schaum's Calculus.

jhannybean · Answer

whichever edition you prefer.

anonymous · Answer

ty