f x 1 3 x, f x1 f x2, f x1 f x2 /f x1+x2 f 0, f x1 f x2 implies x1 x2, if f x x + 1 x prove that f x 3 f x3 + 3f 1 x, f x1 f x2 0, f x1 f x2 1/a2, f x1 f x2 f x3, f x1 f x2 f x1+x2, f x 1 3x 7
f x 1 3f x. There are any references about f x 1 3f x in here. you can look below.
f x 1 3 x
f x1 f x2
f x1 f x2 /f x1+x2 f 0
f x1 f x2 implies x1 x2
if f x x + 1 x prove that f x 3 f x3 + 3f 1 x
f x1 f x2 0
f x1 f x2 1/a2
f x1 f x2 f x3
f x1 f x2 f x1+x2
f x 1 3x 7
f x 1 3 x, f x1 f x2, f x1 f x2 /f x1+x2 f 0, f x1 f x2 implies x1 x2, if f x x + 1 x prove that f x 3 f x3 + 3f 1 x, f x1 f x2 0, f x1 f x2 1/a2, f x1 f x2 f x3, f x1 f x2 f x1+x2, f x 1 3x 7
