# Math test
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**Published on:** 2022-03-25
**URL:** https://paragraph.com/@test6755/math-test
## Content
# Euler's Identity In mathematics, **Euler's identity** is the equality $$ e^{i \\pi} + 1 = 0. $$ ## Explanation Euler's identity is a special case of Euler's formula from complex analysis, which states that for any real number $ x $, $$ e^{ix} = \\cos x + i \\sin x. $$