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It's no lie... (Posted on 2022-08-18) Difficulty: 3 of 5

5-1 = 4
8-4 = 18
14-9 = 343
15-5 = 605
23-11 = ?

Find the rule that makes this work!

See The Solution Submitted by broll    
Rating: 5.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Solution A solution (my own special rule) | Comment 1 of 3
I decided to define x-y = f(x,y) = ax^2+bxy+cy^2+d where
 
a=9.383367078
b=-26.58773544
c=24.39450273
d=-122.0400025
(approximately)

This is consistent with the examples given
and f(23,11)=1066.798945

  Posted by Jer on 2022-08-18 14:54:21
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