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Old 2020-10-21, 17:52   #1
1976 Toyota Corona years forever!
petrw1's Avatar
Nov 2006
Saskatchewan, Canada

13×349 Posts
Default Can someone help me understand this...

Or simplify it:

How does such a seemingly odd string of irrational numbers equate to exactly 142?
Better yet how would someone have come up with this --- mathematically; not via trial and error?

Interestingly, the first half is almost exactly twice the second half.

(√√7! + √√7!) * (√(√7! + (√7!)/7!)) = 142

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