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seen Nov 21 at 2:58

Oct
14
revised Find the greatest value of this expression
added 3 characters in body
Sep
29
accepted Does a maximum value exist for this expression?
Sep
29
revised Does a maximum value exist for this expression?
changed title
Sep
29
comment Does a maximum value exist for this expression?
If I add condition x + y + z = 3. How about my question?
Sep
29
asked Does a maximum value exist for this expression?
Sep
12
awarded  Yearling
Sep
11
comment Find the greatest value of this expression
@ almagest x, y, z positive.
Sep
10
asked Find the greatest value of this expression
Sep
8
comment How can I find the greatest value of this expression?
@ClaudeLeibovici No. I don't know.
Sep
8
revised How can I find the greatest value of this expression?
deleted 385 characters in body
Sep
8
comment How can I find the greatest value of this expression?
@orangeskid Thank you very much.
Sep
8
asked How can I find the greatest value of this expression?
Sep
7
revised Prove $3(\sin x-\cos x)^4 + 6(\sin x+ \cos x)^2 + 4(\sin^6 x + \cos^6 x) -13 = 0$
deleted 2 characters in body
Sep
6
answered Prove $3(\sin x-\cos x)^4 + 6(\sin x+ \cos x)^2 + 4(\sin^6 x + \cos^6 x) -13 = 0$
Sep
3
accepted How to solve this equation or system of equations?
Sep
3
accepted How to solve the irrational system of equations?
Jul
2
awarded  Curious
Jun
23
accepted How many real solutions of this equation?
Jun
23
asked How many real solutions of this equation?
May
28
answered How can I find the integral?