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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
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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NodataBest 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

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

acrossBest 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

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

zordoloomBest 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

sami21Best ResponseYou've already chosen the best response.1
just write Large before you type
 one year ago

sami21Best ResponseYou've already chosen the best response.1
@zordoloom did you get it now ?
 one year ago

zordoloomBest 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

sami21Best 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

sami21Best ResponseYou've already chosen the best response.1
yes you can use that .
 one year ago

zordoloomBest 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

sami21Best ResponseYou've already chosen the best response.1
r(t)=(2,0,0)+t(4,2,2 ) not 2 !!!
 one year ago
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