# arrow_back In a dot and cross diagram, what does each dot and cross represent?

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In a dot and cross diagram, what does each dot and cross represent?

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Let $a, b$ and $c$ be vectors in $\mathrm{R}^{3}, \times$ denotes the cross product, . the dot product. Which of the following is false?
Let $a, b$ and $c$ be vectors in $\mathrm{R}^{3}, \times$ denotes the cross product, . the dot product. Which of the following is false?Let $a, b$ and $c$ be vectors in $\mathrm{R}^{3}, \times$ denotes the cross product, . the dot product. Which of the following is false? A. $-a \time ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 What is a cross product in physics? 1 answer 114 views What is a cross product in physics?What is a cross product in physics? ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Let$\vec{a}$and$\vec{b}$be non-zero, non parallel vectors. Identify proj$\vec{a} \vec{b}$geometrically in the diagram. 0 answers 7 views Let$\vec{a}$and$\vec{b}$be non-zero, non parallel vectors. Identify proj$\vec{a} \vec{b}$geometrically in the diagram. Let$\vec{a}$and$\vec{b}$be non-zero, non parallel vectors. Identify proj$\vec{a} \vec{b}$geometrically in the diagram. &nbsp; &nbsp; ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Find the dot product of$u = <-5,-6,-2>$and$v = <-3,10,8>$. Are$u$and$v$orthogonal? 0 answers 95 views Find the dot product of$u = <-5,-6,-2>$and$v = <-3,10,8>$. Are$u$and$v$orthogonal?Find the dot product of$u = &lt;-5,-6,-2&gt;$and$v = &lt;-3,10,8&gt;$. Are$u$and$v$orthogonal? ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 When I cross a donkey and a horse, a mule is produced that is sterile. What type of reproductive barrier does this represent? 1 answer 151 views When I cross a donkey and a horse, a mule is produced that is sterile. What type of reproductive barrier does this represent?When I cross a donkey and a horse, a mule is produced that is sterile. What type of reproductive barrier does this represent? ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Let$a, b$and$c$be vectors in$\mathrm{R}^{3}$, such that$a \cdot(b \times c)=0$. Then 0 answers 11 views Let$a, b$and$c$be vectors in$\mathrm{R}^{3}$, such that$a \cdot(b \times c)=0$. ThenLet$a, b$and$c$be vectors in$\mathrm{R}^{3}$, such that$a \cdot(b \times c)=0$. Then A.$a, b$and$c$are colinear B.$a, b$and$c\$ lie on t ...