List questions from cauchy-schwarz-inequality

Published on 11 Apr 2026 - 17:10

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Inqualitiy with exponent

Published on 14 May 2026 - 13:18

597

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Finding upper bound using Cauchy-Schwarz inequality.

Published on 13 Apr 2026 - 16:06

174

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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 16 Apr 2026 - 10:07

143

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Convicted of squares in an Inequality and my Weakness

Published on 15 May 2026 - 14:04

402

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Cauchy - Schwarz Inequality Random Variables as Vectors

Published on 14 Apr 2026 - 9:04

118

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

Published on 09 Apr 2026 - 9:35

86

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Contradiction on an Inequality

Published on 16 May 2026 - 21:00

121

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Unspecified Constraint

Published on 14 May 2026 - 18:21

101

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Equality of an Inequality

Published on 09 Apr 2026 - 0:15

93

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

Published on 16 Apr 2026 - 12:25

51

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Obliterating Squares and Roots

Published on 15 May 2026 - 4:33

128

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

Published on 17 Apr 2026 - 13:31

60

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Asymmetric, Unusually Restricted Inequality

Published on 15 Apr 2026 - 13:24

211

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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 14 May 2026 - 19:40

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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