Zip

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More things to try:

• area between the curves y=1-x^2 and y=x
• differentiate erf(t)^2 wrt t
• minimize (4 - x^2 - 2y^2)^2

Cite this as:

Weisstein, Eric W. "Zip." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Zip.html

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