List questions from cauchy-schwarz-inequality

Published on 28 Mar 2026 - 3:34

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Inqualitiy with exponent

Published on 25 Mar 2026 - 2:57

594

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Finding upper bound using Cauchy-Schwarz inequality.

Published on 14 Jul 2020 - 22:23

172

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Let $a_2,a_3,\cdots,a_n$ be positive real numbers and $s=a_2+a_3+\cdots+a_n$. Show that $\sum\limits_{k=2}^na_k^{1-\frac{1}{k}}<s+2\sqrt{s}$

Published on 28 Mar 2026 - 15:59

140

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Convicted of squares in an Inequality and my Weakness

Published on 20 Jul 2020 - 15:55

400

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Cauchy - Schwarz Inequality Random Variables as Vectors

Published on 21 Jul 2020 - 15:37

117

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On Resolving a Fuss on Squares and Fractions over a few Inequalities

Published on 23 Feb 2026 - 4:41

79

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Contradiction on an Inequality

Published on 25 Mar 2026 - 20:34

117

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Unspecified Constraint

Published on 24 Jul 2020 - 4:02

98

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Equality of an Inequality

Published on 24 Jul 2020 - 16:49

91

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What is the proof that $(a+b)^2 >a^2 + b^2$?

Published on 27 Mar 2026 - 17:23

49

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Obliterating Squares and Roots

Published on 25 Mar 2026 - 20:41

125

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Alternate methods to prove $(1+a)(1+b)(1+c)(1+d) \geq 16$ if $abcd =1$.

Published on 26 Jul 2020 - 12:25

58

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Asymmetric, Unusually Restricted Inequality

Published on 28 Mar 2026 - 17:39

207

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When does equality hold in $\Bigr\lvert\sum_{k=1}^n a_kb_k\Bigr\rvert^2 \le \left(\sum_{k=1}^n |a_k|^2\right)\left(\sum_{k=1}^n |b_k|^2\right)$?

Published on 26 Jul 2020 - 17:20

List Question

Strengthened Cauchy-Schwarz and direct sum

Inqualitiy with exponent

Finding upper bound using Cauchy-Schwarz inequality.

Let $a_2,a_3,\cdots,a_n$ be positive real numbers and $s=a_2+a_3+\cdots+a_n$. Show that $\sum\limits_{k=2}^na_k^{1-\frac{1}{k}}<s+2\sqrt{s}$

Convicted of squares in an Inequality and my Weakness

Cauchy - Schwarz Inequality Random Variables as Vectors

On Resolving a Fuss on Squares and Fractions over a few Inequalities

Contradiction on an Inequality

Unspecified Constraint

Equality of an Inequality

What is the proof that $(a+b)^2 >a^2 + b^2$?

Obliterating Squares and Roots

Alternate methods to prove $(1+a)(1+b)(1+c)(1+d) \geq 16$ if $abcd =1$.

Asymmetric, Unusually Restricted Inequality

When does equality hold in $\Bigr\lvert\sum_{k=1}^n a_kb_k\Bigr\rvert^2 \le \left(\sum_{k=1}^n |a_k|^2\right)\left(\sum_{k=1}^n |b_k|^2\right)$?

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