R^R-2
Algebra
Level
3
If :
1 R 3 = -2
1 R 2 = -1
3 R 4 = 17
2 R 3 = -1
4 R 4 = 0
5 R 2 = -7
Then :
9 R 2 = ???
The answer is -431.
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1 solution
Simple :)
The relation between the two numbers is :
x R y
x^y-y^x