# Recent questions tagged proof

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What are the components of mathematical discourse?
What are the components of mathematical discourse?What are the components of mathematical discourse? ...
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What is mathematical discourse?
What is mathematical discourse?What is mathematical discourse? ...
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If $\|\mathbf{v}\|=2$ and $\|\mathbf{w}\|=3$, what are the largest and smallest values possible for $\|\mathbf{v}-\mathbf{w}\|$ ? Give a geometric explanation of your results.
If $\|\mathbf{v}\|=2$ and $\|\mathbf{w}\|=3$, what are the largest and smallest values possible for $\|\mathbf{v}-\mathbf{w}\|$ ? Give a geometric explanation of your results.If $\|\mathbf{v}\|=2$ and $\|\mathbf{w}\|=3$, what are the largest and smallest values possible for $\|\mathbf{v}-\mathbf{w}\|$ ? Give a geometric exp ...
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If $\mathbf{v}$ is a vector in $R^{n}$, and if $k$ is any scalar, then prove that $\|k \mathbf{v}\|=|k|\|\mathbf{v}\|$
If $\mathbf{v}$ is a vector in $R^{n}$, and if $k$ is any scalar, then prove that $\|k \mathbf{v}\|=|k|\|\mathbf{v}\|$If $\mathbf{v}$ is a vector in $R^{n}$, and if $k$ is any scalar, then prove that $\|k \mathbf{v}\|=|k|\|\mathbf{v}\|$ ...
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Match the reasons to the lines of the following proof.
Match the reasons to the lines of the following proof. Match the reasons to the lines of the following proof. Let $T$ be a triangle with vertices $u, v$, and $w$ in $\mathrm{C}$ where the vertices are n ...
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You may choose the same option for matching more than once. Read through the following proof and match the lines with the reasons given below.
You may choose the same option for matching more than once. Read through the following proof and match the lines with the reasons given below. You may choose the same option for matching more than once.&nbsp;Read through the following proof and match the lines with the reasons given below. ...
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You may choose the same option for matching more than once. Read through the following proof and spot an error or not in the lines $L 1$ to $L 5$.
You may choose the same option for matching more than once. Read through the following proof and spot an error or not in the lines $L 1$ to $L 5$. You may choose the same option for matching more than once. Read through the following proof and spot an error or not in the lines $L 1$ to $L 5$. ...
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Prove that $x^2+2xy+y^2$ cannot be negative
Prove that $x^2+2xy+y^2$ cannot be negativeProve that &nbsp;$x^2+2xy+y^2$ cannot be negative ...
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Proof: Let $n \in \mathbb{Z} .$ If $n^{2}$ is odd, then $n$ is odd.
Proof: Let $n \in \mathbb{Z} .$ If $n^{2}$ is odd, then $n$ is odd.Proof: Let $n \in \mathbb{Z} .$ If $n^{2}$ is odd, then $n$ is odd. ...
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What is proof by contrapositive?
What is proof by contrapositive?What is proof by contrapositive? ...
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What is an example of mathematical proof by contradiction?
What is an example of mathematical proof by contradiction?What is an example of mathematical proof by contradiction? ...
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What is proof by contradiction in mathematics?
What is proof by contradiction in mathematics?What is proof by contradiction in mathematics? ...
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What is an example of a bad mathematical proof?
What is an example of a bad mathematical proof?What is an example of a bad mathematical proof? ...
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Prove Gibb's lemma
Prove Gibb's lemma(Gibb's Lemma). Assume $\left(p_{1}, \ldots, p_{m}\right)$ is probability distribution and let $\left(r_{1}, \ldots, r_{m}\right)$ be such that $... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Proof: \(\forall x \in \mathbb{Z}, 0 \times x=x \times 0=0$
Proof: $\forall x \in \mathbb{Z}, 0 \times x=x \times 0=0$Proof: $\forall x \in \mathbb{Z}, 0 \times x=x \times 0=0$ ...
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Proof: Let $x, y, z \in \mathbb{Z} .$ If $x+y=x+z$, then $y=z$.
Proof: Let $x, y, z \in \mathbb{Z} .$ If $x+y=x+z$, then $y=z$.Proof: Let $x, y, z \in \mathbb{Z} .$ If $x+y=x+z$, then $y=z$. ...
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Proof: Let $n \in \mathbb{N}, n>1$. Suppose that $n$ is not prime $\Longrightarrow 2^{n}-1$ is not a prime.
Proof: Let $n \in \mathbb{N}, n>1$. Suppose that $n$ is not prime $\Longrightarrow 2^{n}-1$ is not a prime.What is the proof of this theorem? Let $n \in \mathbb{N}, n&gt;1$. Suppose that $n$ is not prime $\Longrightarrow 2^{n}-1$ is not a prime. ...
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What are the methods of mathematical proof?
What are the methods of mathematical proof?What are the methods of mathematical proof? ...
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What is a mathematical proof?
What is a mathematical proof?What is a mathematical proof? ...
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Prove Kolmogorov's strong law for IID random variables
Prove Kolmogorov's strong law for IID random variablesProve Kolmogorov's strong law for IID random variables ...
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Show the martingale proof of Kolmogorov's strong law for square integrable variables
Show the martingale proof of Kolmogorov's strong law for square integrable variablesShow the martingale proof of Kolmogorov's strong law for square integrable variables ...
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The sum of the first three terms in a sequence is 30, and the product of the first two terms is $180 .$ Give the first three terms.
The sum of the first three terms in a sequence is 30, and the product of the first two terms is $180 .$ Give the first three terms.The sum of the first three terms in a sequence is 30, and the product of the first two terms is $180 .$ Give the first three terms. ...
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Show that the inequality $$\sum_{i=1}^{n} \sum_{j=1}^{n} \sqrt{\left|x_{i}-x_{j}\right|} \leqslant \sum_{i=1}^{n} \sum_{j=1}^{n} \sqrt{\left|x_{i}+x_{j}\right|}$$ holds for all real numbers $x_{1}, \ldots, x_{n}$.Show that the inequality \sum_{i=1}^{n} \sum_{j=1}^{n} \sqrt{\left|x_{i}-x_{j}\right|} \leqslant \sum_{i=1}^{n} \sum_{j=1}^{n} \sqrt{\left|x_{i}+x_ ...
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construct the $2 \times 3$ matrix whose elements are given by $a_{i j}=|i-j|$
construct the $2 \times 3$ matrix whose elements are given by $a_{i j}=|i-j|$construct the $2 \times 3$ matrix whose elements are given by $a_{i j}=|i-j|$ ...
Construct $2 \times 2$ matrix $\left[a_{i j}\right]$ whose elements are given by
Construct $2 \times 2$ matrix $\left[a_{i j}\right]$ whose elements are given byConstruct $2 \times 2$ matrix $\lefta_{i j}\right$ whose elements are given by 1) $a_{i j}=(i+j)^{2}$ 2) $a_{i j}=\frac{(i+j)^{2}}{2}$ ...