Bill Kleinhans
Reputation
Top tag
Next privilege 1,000 Rep.
Create tags
3 7
Impact
~15k people reached

• 0 posts edited

 10 Inequality Of Four Variables 5 How to prove $(a-b)^3 + (b-c)^3 + (c-a)^3 -3(a-b)(b-c)(c-a) = 0$ without calculations 5 Not so easy optimization of variables? 4 Comparing $\sqrt{1001}+\sqrt{999}\ , \ 2\sqrt{1000}$ 3 Technique for proving four points to be concyclic

### Reputation (980)

 +30 Technique for proving four points to be concyclic +10 If $A+B=\pi/3$ then what will maximum value of $\tan(A).\tan(B)$? +15 Can ratios similar to those related to the surface area of a circle and sphere be applied to determine properties of a 3-sphere? +10 Find rational points on $x^2 + y^2 = 3$ and on $x^2 + y^2 = 17$

### Questions (0)

This user has not asked any questions

### Tags (81)

 17 inequality × 8 5 abstract-algebra × 15 16 algebra-precalculus × 5 5 calculus × 11 10 geometry × 13 5 circle × 3 7 optimization × 9 5 symmetric-polynomials 7 number-theory × 6 4 euclidean-geometry × 5

### Account (1)

 Mathematics 980 rep 37