Two math professors are sitting in a pub.

“Isn’t it disgusting”, the first one complains, “how little the general public knows about mathematics?”

“Well”, his colleague replies, “you’re perhaps a bit too pessimistic.”

“I don’t think so”, the first one replies. “And anyhow, I have to go to the washroom now.”

He goes off, and the other professor decides to use this opportunity to play a prank on his colleague. He makes a sign to the pretty, blonde waitress to come over.

“When my friend comes back, I’ll wave you over to our table, and I’ll ask you a question. I would like you to answer: x to the third over three. Can you do that?”

“Sure.” The girl giggles and repeats several times: “x to the third over three, x to the third over three, x to the third over three…”

When the first professor comes back from the washroom, his colleague says: “I still think, you’re way too pessismistic. I’m sure the waitress knows a lot more about mathematics than you imagine.”

He makes her come over and asks her: “Can you tell us what the integral of x squared is?”

She replies: “x to the third over three.”

The other professor’s mouth drops wide open, and his colleague grins smugly when the waitress adds: “…plus C.”

# Mathematical Joke

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