# Recent questions tagged product

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Find the matrices $AB$ and $BA$
Find the matrices $AB$ and $BA$ \begin{aligned} &amp;\text { Find } A B \text { and } B A .\\ &amp;\text { Where } A=\left\begin{array}{ccc} 1 &amp; -1 &amp; 1 \\ - ...
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If $A$ is a matrix of order $p \times q$ and $B$ is a matrix of order $q \times r$, then what is the order of the product of matrix $A B$ ?
If $A$ is a matrix of order $p \times q$ and $B$ is a matrix of order $q \times r$, then what is the order of the product of matrix $A B$ ?If $A$ is a matrix of order $p \times q$ and $B$ is a matrix of order $q \times r$, then what is the order of the product of matrix $A B$ ? ...
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What are comparable matrices?
What are comparable matrices?What are comparable matrices? ...
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Are all matrices linear operators?
Are all matrices linear operators?Are all matrices linear operators? ...
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Show that $\langle v|A| w\rangle=\sum_{i j} A_{i j} v_{i}^{*} w_{j}$
Show that $\langle v|A| w\rangle=\sum_{i j} A_{i j} v_{i}^{*} w_{j}$Show that $\langle v|A| w\rangle=\sum_{i j} A_{i j} v_{i}^{} w_{j}$ ...
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What are the eigenvalues of $A \otimes B$, where $A, B$ are symmetric matrices and $\otimes$ denotes the tensor product?
What are the eigenvalues of $A \otimes B$, where $A, B$ are symmetric matrices and $\otimes$ denotes the tensor product?What are the eigenvalues of $A \otimes B$, where $A, B$ are symmetric matrices and $\otimes$ denotes the tensor product? ...
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Let $P(n)$ and $S(n)$ denote the product and the sum, respectively, of the digits of the integer $n$.
Let $P(n)$ and $S(n)$ denote the product and the sum, respectively, of the digits of the integer $n$.Let $P(n)$ and $S(n)$ denote the product and the sum, respectively, of the digits of the integer $n$. For example, $P(23)=6$ and $S(23)=5$. Suppose $N ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 How many natural numbers from 1 to 2016 can be written as the product of an even number and a multiple of five? 0 answers 51 views How many natural numbers from 1 to 2016 can be written as the product of an even number and a multiple of five?How many natural numbers from 1 to 2016 can be written as the product of an even number and a multiple of five? ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Solve the following equation for$r:-2 r-2.25=3.75-8 r$1 answer 41 views Solve the following equation for$r:-2 r-2.25=3.75-8 r$Solve the following equation for$r:-2 r-2.25=3.75-8 r$... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 What is the determinant of the product of matrices 1 answer 66 views What is the determinant of the product of matricesWhat is the determinant of the product of matrices$A=\left\begin{array}{ccc}2 &amp; 3 &amp; -1 \\ 0 &amp; 1 &amp; 2\end{array}\right$and$B=\left ...
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Solve the following rational equation. $$\frac{2}{x+3}-\frac{1}{2 x+1}=\frac{8}{2 x^{2}+7 x+3}$$
Solve the following rational equation. $$\frac{2}{x+3}-\frac{1}{2 x+1}=\frac{8}{2 x^{2}+7 x+3}$$ Solve the following rational equation. $$\frac{2}{x+3}-\frac{1}{2 x+1}=\frac{8}{2 x^{2}+7 x+3}$$ ...
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Find and simplify the product of the following rational expression. $$\frac{(x+2)}{x(x-3)} \cdot \frac{3(x-3)}{4}$$
Find and simplify the product of the following rational expression. $$\frac{(x+2)}{x(x-3)} \cdot \frac{3(x-3)}{4}$$Find and simplify the product of the following rational expression. $$\frac{(x+2)}{x(x-3)} \cdot \frac{3(x-3)}{4}$$ ...
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Find the following product. $$(1-3 x)\left(x^{2}+2 x-5\right)$$
Find the following product. $$(1-3 x)\left(x^{2}+2 x-5\right)$$Find the following product. $$(1-3 x)\left(x^{2}+2 x-5\right)$$ ...
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Which 3 numbers have the same answer whether they are added or multiplied together?
Which 3 numbers have the same answer whether they are added or multiplied together?Which 3 numbers have the same answer whether they are added or multiplied together? ...
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A certain disease affects about 1 out of 10,000 people. There is a test to check whether the person has the disease. The test is quite accurate. In particular, we know that
A certain disease affects about 1 out of 10,000 people. There is a test to check whether the person has the disease. The test is quite accurate. In particular, we know thatA certain disease affects about 1 out of 10,000 people. There is a test to check whether the person has the disease. The test is quite accurate. In pa ...
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In a factory there are 100 units of a certain product, 5 of which are defective. We pick three units from the 100 units at random. What is the probability that none of them are defective?In a factory there are 100 units of a certain product, 5 of which are defective. We pick three units from the 100 units at random. What is the probabi ...
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You purchase a certain product. The manual states that the lifetime $T$ of the product, defined as the amount of time (in years) the product works properly until it breaks down, satisfiesYou purchase a certain product. The manual states that the lifetime $T$ of the product, defined as the amount of time (in years) the product works pro ...
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What is a Cartesian product of two sets $A$ and $B$?
What is a Cartesian product of two sets $A$ and $B$?What is a Cartesian product of two sets $A$ and $B$? ...
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The points A, B and $\mathrm{C}$ have position vectors
The points A, B and $\mathrm{C}$ have position vectorsThe points A, B and $\mathrm{C}$ have position vectors $\boldsymbol{a}=i-3 j, \quad \boldsymbol{b}=2 i-j+k$ and $\boldsymbol{c}=10 j+10 k$ respectivel ...
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What are the quotient and product rules in differentiation?
What are the quotient and product rules in differentiation?What are the quotient and product rules in differentiation? ...
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Does the Pythagorean theorem generalize to arbitrary inner product spaces?
Does the Pythagorean theorem generalize to arbitrary inner product spaces?Does the Pythagorean theorem generalize to arbitrary inner product spaces? ...
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An inner product on a real vector space $V$ is a function $\langle\cdot, \cdot\rangle: V \times V \rightarrow \mathbb{R}$ satisfying
An inner product on a real vector space $V$ is a function $\langle\cdot, \cdot\rangle: V \times V \rightarrow \mathbb{R}$ satisfyingAn inner product on a real vector space $V$ is a function $\langle\cdot, \cdot\rangle: V \times V \rightarrow \mathbb{R}$ satisfying ...
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What are vector spaces?
What are vector spaces?What are vector spaces? ...
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How can 3D printing improve a company's innovation, product development, and speed to market?