Math Humor to Brighten your Day

We want to furnish a proof that
.
We know that
First, we will turn both sides of this equation 90 degrees counterclockwise, and add 8 to both sides:
.
Rotating both sides of the equation 90 degrees clockwise gives us 
(the desired result).
---------------------------------------
We will now prove that 
is six.
This proof is very simple; just cancel the n on the top and bottom:
Contributed by P. Joseph Ahn
x and e to the t are walking down the street, when all of a sudden, they spot the derivative. "I'm not scared of the derivative," braggs e to the t, as x cowers in the corner. The derivative approaches. "Hi!" it says. "I'm the derivative with respect to y."Courtesy of Gwynne Coogan
Courtesy of Kelsey Smith
Courtesy of Joseph Ahn

Courtesy of Zuming Feng
Please send me any more math jokes.
If you do, you will achieve everlasting fame and honor.
And if you don't get that,
at least you will get one more picture of yourself online.
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