All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info
Home > Just Math
These problems are mostly math-related. That's not to say that they're all straightforward. You'll still need to flex your noggin to figure them out!
Sub-Categories (All Problem Categories)
> Calculus
Let Q' denote the set of all positive rational numbers. If f:Q'→Q' satisfies

f(x2f(y)2)=f(x)2f(y),

evaluate f(2019).
(No Solution Yet, 2 Comments) Submitted on 2019-11-01 by Danish Ahmed Khan   
Page 1 of 129   next >>    
Difficulty: 2 of 5Recover a number |
Posted on 2019-10-29 by Ady TZIDON (Solution Posted, 3 Comments)
Difficulty: 4 of 5Fancy quadrilateral |
Posted on 2019-10-25 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Cube rooted till 2019 |
Posted on 2019-10-23 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Ardent tennis player |
Posted on 2019-10-22 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5From incircle to vertices |
Posted on 2019-10-04 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Solving triangles |
Posted on 2019-10-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 58 eights, 8 ones |
Posted on 2019-10-01 by Ady TZIDON (Solution Posted, 2 Comments)
Difficulty: 1 of 5Cotangents product |
Posted on 2019-09-30 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Minimize the chord length |
Posted on 2019-09-27 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5The three Sprinters |
Posted on 2019-09-25 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 2 of 5One way out |
Posted on 2019-09-09 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Beautiful recursion |
Posted on 2019-09-03 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 5 of 5Bored student |
Posted on 2019-08-30 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 4 of 5Rotated Checkerboard |
Posted on 2019-08-22 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (1)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2019 by Animus Pactum Consulting. All rights reserved. Privacy Information