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Greece Junior Math Olympiad
1991 Greece Junior Math Olympiad
4
4
Part of
1991 Greece Junior Math Olympiad
Problems
(1)
x^4+y^4 in terms of x+y=a, xy=b - Greece Juniors 1991 p4
Source:
9/13/2024
Let
x
+
y
=
a
x+y=a
x
+
y
=
a
and
x
y
=
b
xy=b
x
y
=
b
. Calculate exression
x
4
+
y
4
x^4+y^4
x
4
+
y
4
in terms of
a
a
a
and
b
b
b
.
algebra