AlbertH

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90 Answers

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18	The “XX XX” polyomino
11	Prove that $\int_0^1\|f''(x)\|dx\ge4.$
9	Prove that $\sqrt{a}\leq\frac{1+a}{2}$
9	Solving for the implicit function $f\left(f(x)y+\frac{x}{y}\right)=xyf\left(x^2+y^2\right)$ and $f(1)=1$
9	Confused by textbook solution to trig problem

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+10	Solving $\sqrt{x+5} = x - 1$
+8	Prove that $\sqrt{a}\leq\frac{1+a}{2}$
+10	Inequality. $\sqrt{\frac{11a}{5a+6b}}+\sqrt{\frac{11b}{5b+6c}}+\sqrt{\frac{11c}{5c+6a}} \leq 3$
+10	Expressing a symmetric polynomial in terms of elementary symmetric polynomials using computer?

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1 Question

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2	Are polynomials dense in $C^k\left(\bar{B}\right)$?

75 Tags

67 inequality × 19	23 analysis × 8
39 real-analysis × 9	21 functional-analysis × 8
36 homework × 7	18 tiling
32 algebra-precalculus × 6	18 geometry
28 hilbert-spaces × 7	16 differential-geometry × 7

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2 Accounts

$Mathematics Stack Exchange$	Mathematics	3,542 rep	1615
	Physics	106 rep	2

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