Pi Squared is Irrational/Historical Note

Historical Note on Pi Squared is Irrational

$\pi^2$ was demonstrated to be irrational in $1794$ by Joseph Louis Lagrange.


Sources

  • 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $9 \cdotp 869 \, 604 \ldots$
  • 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $9 \cdotp 86960 \, 44010 \, 89358 \ldots$
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