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South Africa Contests
South Africa National Olympiad
1996 South africa National Olympiad
2
2
Part of
1996 South africa National Olympiad
Problems
(1)
3^x+4^x=5^x
Source: South African MO 1996 Q2
5/27/2012
Find all real numbers for which
3
x
+
4
x
=
5
x
3^x+4^x=5^x
3
x
+
4
x
=
5
x
.
function
trigonometry
inequalities
algebra unsolved
algebra