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zordoloom
Group Title
Find a vector equation and parametric equations for the line segment that joins P(2, 0, 0) Q(6, 2, 2)
 one year ago
 one year ago
zordoloom Group Title
Find a vector equation and parametric equations for the line segment that joins P(2, 0, 0) Q(6, 2, 2)
 one year ago
 one year ago

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Nodata Group TitleBest ResponseYou've already chosen the best response.0
Remember that to get vector equation you need any point that lies on to the line and a vector that goes in the same direction.
 one year ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
You could pick point P or point Q.
 one year ago

across Group TitleBest ResponseYou've already chosen the best response.2
You could try\[\mathbf{r}(t)=\mathbf{P}+t(\mathbf{Q}\mathbf{P}),\qquad0\leq t\leq1.\]Notice that if \(t=0\), then \(\mathbf{r}(t)=\mathbf{P}\), and if \(t=1\), then \(\mathbf{r}(t)=\mathbf{Q}\).
 one year ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
How do you make the letters bold @across ?
 one year ago

zordoloom Group TitleBest ResponseYou've already chosen the best response.0
@across Do I just plug in the values P and Q for that formula?
 one year ago

sami21 Group TitleBest ResponseYou've already chosen the best response.1
just write Large before you type
 one year ago

Nodata Group TitleBest ResponseYou've already chosen the best response.0
\[\vec{r}=\large{P}\]
 one year ago

sami21 Group TitleBest ResponseYou've already chosen the best response.1
@zordoloom did you get it now ?
 one year ago

zordoloom Group TitleBest ResponseYou've already chosen the best response.0
So the formula that across provided, Can I use that to find the equations?
 one year ago

sami21 Group TitleBest ResponseYou've already chosen the best response.1
first find the required parallel vector to the line PQ=<62,20,20)= <4,2,2>
 one year ago

sami21 Group TitleBest ResponseYou've already chosen the best response.1
yes you can use that .
 one year ago

zordoloom Group TitleBest ResponseYou've already chosen the best response.0
so, i end up with r(t)=(2,0,0)+t(4,2,2). Is this correct?
 one year ago

sami21 Group TitleBest ResponseYou've already chosen the best response.1
r(t)=(2,0,0)+t(4,2,2 ) not 2 !!!
 one year ago

zordoloom Group TitleBest ResponseYou've already chosen the best response.0
Thanks!!
 one year ago

sami21 Group TitleBest ResponseYou've already chosen the best response.1
welcome :)
 one year ago
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