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> Calculus
Show that the polynomial x8-x7+x2-x+15 has no real roots.
(No Solution Yet, 1 Comments) Submitted on 2024-11-28 by Danish Ahmed Khan   
Page 74 of 171   << prev next >>    
Difficulty: 2 of 5Four factors |
Posted on 2015-11-06 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 2 of 5Zero mod 3 |
Posted on 2015-11-04 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 510 4 7 10 |
Posted on 2015-11-03 by Ady TZIDON (No Solution Yet, 2 Comments)
Difficulty: 2 of 5Two and only two |
Posted on 2015-11-03 by broll (Solution Posted, 4 Comments)
Difficulty: 3 of 5Diophantine Linear and Quadratic | Rating: 4.00
Posted on 2015-11-01 by K Sengupta (Solution Posted, 4 Comments)
Difficulty: 4 of 5Incredible, but solvable |
Posted on 2015-10-30 by Ady TZIDON (No Solution Yet, 13 Comments)
Difficulty: 2 of 5Some questions of abundance |
Posted on 2015-10-28 by Jer (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Real Number Resolution 2 | Rating: 5.00
Posted on 2015-10-27 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5A canonical representation |
Posted on 2015-10-27 by Ady TZIDON (No Solution Yet, 0 Comments)
Difficulty: 2 of 5Magic matrix |
Posted on 2015-10-26 by Ady TZIDON (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Sum Equality and Perfect Square | Rating: 5.00
Posted on 2015-10-25 by K Sengupta (Solution Posted, 2 Comments)
Difficulty: 3 of 5Cube Root Sum Puzzle | Rating: 4.50
Posted on 2015-10-24 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Must differ by 3 |
Posted on 2015-10-23 by Ady TZIDON (No Solution Yet, 3 Comments)
Difficulty: 3 of 5More ones | Rating: 5.00
Posted on 2015-10-21 by K Sengupta (Solution Posted, 1 Comments)
Difficulty: 2 of 5Factorizable Expressions | Rating: 5.00
Posted on 2015-10-21 by K Sengupta (Solution Posted, 4 Comments)
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