A Calculus Challenge from Oxford University

Oxford university is one of the best places to study at. Every year, thousands of students take the MAT in hopes of studying mathematics degrees there.

Today’s puzzle is a calculus challenge from Oxford MAT 2021.

Here’s a hint:  all these emojis are symmetrical in some way …

I recommend you pause the article, grab your pen and paper, and give this a go. When you are ready, keep reading for the solution! 

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